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1920 ' S National Electric Instrument Co. Variac Medical Device Voltage Controller

1920 ' S National Electric Instrument Co.  Variac Medical Device Voltage Controller Other photo   Category : Science & Medicine (Pre-1930) > Scientific Instruments > Other
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1920 ' S National Electric Instrument Co.  Variac Medical Device Voltage Controller Other photo 11920 ' S National Electric Instrument Co.  Variac Medical Device Voltage Controller Other photo 21920 ' S National Electric Instrument Co.  Variac Medical Device Voltage Controller Other photo 31920 ' S National Electric Instrument Co.  Variac Medical Device Voltage Controller Other photo 4
1920 ' S National Electric Instrument Co.  Variac Medical Device Voltage Controller Other photo 51920 ' S National Electric Instrument Co.  Variac Medical Device Voltage Controller Other photo 61920 ' S National Electric Instrument Co.  Variac Medical Device Voltage Controller Other photo 71920 ' S National Electric Instrument Co.  Variac Medical Device Voltage Controller Other photo 8
1920 ' S National Electric Instrument Co.  Variac Medical Device Voltage Controller Other photo 91920 ' S National Electric Instrument Co.  Variac Medical Device Voltage Controller Other photo 10

    

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Known Information
Category : Science & Medicine (Pre-1930) > Scientific Instruments > OtherItem Id: 107564
Maker: National Electric Instrument Co Long Island NY USAMedical Item: Variac Voltage Controller
Original/Reproduction: OriginalOrigin: Medical Hospital Surgical Apothecary Chemist Vet
Age: 1920 - 1940
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