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

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Journal of the IN St Med Assoc - Victor Interrupterless

Journal of the IN St ...

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Journal of the IN St Med Assoc - Woscher

Journal of the IN St ...

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Journal of the IN St Med Assoc 1913 - Victor Portable

Journal of the IN St ...

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Journal of the IN St Med Assoc 1913 - Victor Wantz

Journal of the IN St ...

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Journal of the IN St Med Assoc 1913 Portable Victor

Journal of the IN St ...

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Journal of the IN St Med Assoc 1916 - Betz Morgan

Journal of the IN St ...

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Journal of the IN St Med Assoc 1916 - Betz Omega

Journal of the IN St ...

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Journal of the IN St Med Assoc 1916 - Victor High Frequency

Journal of the IN St ...

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Journal of the IN St Med Assoc 1916 - Victor MIP

Journal of the IN St ...