Early X-Ray and High Frequency Ads from Edwards
Endless thanks to Andy Wright
The Turn Of The Century Electrotherapy Museum - http://www.electrotherapymuseum.com
Dental Cosmos 1914
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Dental Cosmos May 1918 - American X-ray
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Edwards Jr
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IMG_3071 copy
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IMG_3075
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IMG_3076
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IMG_3078
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IMG_3080
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Journal of IN State Med Assoc 4 15 1911 pg ix
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