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The Turn Of The Century Electrotherapy Museum http://www.electrotherapymuseum.com Tesla "Pancake Coils": Redefining Tesla Technologies |
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Kinraide High Frequency Coil (Manufactured by Swett & Lewis, 1901. Direct Current Version) |
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Kinraide High Frequency Coil (Alternating Current Version) |
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Kinraide High Frequency Coil (Improved Version, Alternating Current) |
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Autograph of The Kinraide Coil, Positive Discharge (Reduced in size) |
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Kinraide Coil Autographed Discharge (Approximate actual size) |
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The Jackson Coil / The Jackson Special (Manufactured by Swett & Lewis, 1904) |
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Autograph of The Jackson Coil, Negative Discharge |
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The Cyclone Portable Coil / The Cyclone Cabinet Coil (Manufactured by Swett & Lewis, 1905) |
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| The Cyclone Desk Coil |
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