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  • Marble ws heated in a lime kiln to convert teh mineral to lime.  This is the material used in a limelight lamp.  Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime-marble051.JPG
  • Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime-chalk013.JPG
  • Marble ws heated in a lime kiln to convert teh mineral to lime.  This is the material used in a limelight lamp.  Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime-marble026.JPG
  • Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime023.JPG
  • A seashell was heated in a lime kiln to convert the shell material into lime.  Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime007.JPG
  • Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime-chalk012.JPG
  • Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime-chalk011.JPG
  • Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime020.JPG
  • A seashell was heated in a lime kiln to convert the shell material into lime.  Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime003.JPG
  • Marble ws heated in a lime kiln to convert teh mineral to lime.  This is the material used in a limelight lamp.  Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime-marble050.JPG
  • Seashells were heated in a lime kiln to convert the shell material into lime.  Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime006.JPG
  • Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime024.JPG
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-36.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-16.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-45.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-46.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-42.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-18.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-29.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-15.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-9.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-3.jpg
  • A voltaic pile battery is used to light an LED.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-4110.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-44.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-37.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-30.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-17.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-14.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-2.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-39.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-34.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-5.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-1.jpg
  • A stroboscopic image of a trebuchet launching a ball.  The trebuchet uses the potential energy of a weight falling to project a yellow ball.  A trebuchet is a type of catapult that was used as a siege engine in the Middle Ages. It is sometimes called a counterweight trebuchet or counterpoise trebuchet, to distinguish it from an earlier weapon called the traction trebuchet, which employed pulling men working the mechanism.  The counterweight trebuchet appeared in both Christian and Muslim lands around the Mediterranean in the 12th century. It could fling projectiles weighing up to 350 pounds (160 kg) at or into enemy fortifications. Its use continued into the 15th century, well after the introduction of gunpowder.
    K14-trebuchet0126.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-47.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-35.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-11.jpg
  • A stroboscopic image of a trebuchet launching a ball.  The trebuchet uses the potential energy of a weight falling to project a yellow ball.  A trebuchet is a type of catapult that was used as a siege engine in the Middle Ages. It is sometimes called a counterweight trebuchet or counterpoise trebuchet, to distinguish it from an earlier weapon called the traction trebuchet, which employed pulling men working the mechanism.  The counterweight trebuchet appeared in both Christian and Muslim lands around the Mediterranean in the 12th century. It could fling projectiles weighing up to 350 pounds (160 kg) at or into enemy fortifications. Its use continued into the 15th century, well after the introduction of gunpowder.
    K14-trebuchet0127.jpg
  • A quack medical device used to restore hair, cure cancer, increase intelligence, and cure gout.  The device is actually a Tesla coil used to excite a tube filled with low pressure neon gas.  The device had no medical advantages.  This device was sold under a number of name including the Violet ray.  Sold from the 1930's until the late 1970's..
    K12-Quackmed6905.JPG
  • A quack medical device used to restore hair, cure cancer, increase intelligence, and cure gout.  The device is actually a Tesla coil used to excite a tube filled with low pressure neon gas.  The device had no medical advantages.  This device was sold under a number of name including the Violet ray.  Sold from the 1930's until the late 1970's..
    K12-Quackmed6896.JPG
  • The corona discharge from a Wimshurst machine.  This machine glows as the high voltage from the static electric generator ionized the surrounding air.  This image was taken with a modern camera able to photograph at very low levels of light.  This effect is bright enough to be observed with human eyes in a very dark room.
    K16wimshurst00149.jpg
  • A quack medical device used to restore hair, cure cancer, increase intelligence, and cure gout.  The device is actually a Tesla coil used to excite a tube filled with low pressure neon gas.  The device had no medical advantages.  This device was sold under a number of name including the Violet ray.  Sold from the 1930's until the late 1970's..
    K12-Quackmed6901.JPG
  • A quack medical device used to restore hair, cure cancer, increase intelligence, and cure gout.  The device is actually a Tesla coil used to excite a tube filled with low pressure neon gas.  The device had no medical advantages.  This device was sold under a number of name including the Violet ray.  Sold from the 1930's until the late 1970's..
    K12-Quackmed6903.JPG
  • A quack medical device used to restore hair, cure cancer, increase intelligence, and cure gout.  The device is actually a Tesla coil used to excite a tube filled with low pressure neon gas.  The device had no medical advantages.  This device was sold under a number of name including the Violet ray.  Sold from the 1930's until the late 1970's..
    K12-Quackmed6900.JPG
  • An x-ray image of a pair of Victorian ladies dress shoes or boots.  These high heel boots made in the 1880's are almost identical to modern design.  Of particular importance is the boots have nails in the heels holding together multiple layers of leather.  The shoes also have metal shavings placed between the sheets of leather to keep the different layers from sliding.  The shoe is fully laced up, but the cotton laces are all but invisible to these low level x-rays.
    x07oldboots2Sred.jpg
  • An x-ray image of a pair of Victorian ladies dress shoes or boots.  These high heel boots made in the 1880's are almost identical to modern design.  Of particular importance is the boots have nails in the heels holding together multiple layers of leather.  The shoes also have metal shavings placed between the sheets of leather to keep the different layers from sliding.  The shoe is fully laced up, but the cotton laces are all but invisible to these low level x-rays.
    x07oldboots2Spurp.jpg
  • An x-ray image of a pair of Victorian ladies dress shoes or boots.  These high heel boots made in the 1880's are almost identical to modern design.  Of particular importance is the boots have nails in the heels holding together multiple layers of leather.  The shoes also have metal shavings placed between the sheets of leather to keep the different layers from sliding.  The shoe is fully laced up, but the cotton laces are all but invisible to these low level x-rays.
    x07oldboots2.jpg
  • An x-ray image of a pair of Victorian ladies dress shoes or boots.  These high heel boots made in the 1880's are almost identical to modern design.  Of particular importance is the boots have nails in the heels holding together multiple layers of leather.  The shoes also have metal shavings placed between the sheets of leather to keep the different layers from sliding.  The shoe is fully laced up, but the cotton laces are all but invisible to these low level x-rays.
    x07oldboots2neg.jpg
  • An X-ray of Historic Audion vacuum tube.  This tube made in the 1920's was the first circuit used to amplify radio and television signals.  This tube proved critical for the development of television.  The Audion vacuum tube was invented in 1906 by Lee de Forest
    TVtube1FC.jpg
  • A historic wooden duck decoy is imaged with x-rays.  The nails, construction, and lead paint show up clearly in the image.  This type of image is often used to establish age of duck decoys.
    duck3blue.jpg
  • A historic wooden duck decoy is imaged with x-rays.  The nails, construction, and lead paint show up clearly in the image.  This type of image is often used to establish age of duck decoys.  Note the buck shot, or lead bullets still in the duck decoy.
    duck-Three.jpg
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Ted Kinsman

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