Vintage Jewell Instrument Co. DC Galvanometer Pattern 155 Volts/MicroamperesVintage Jewell Instrument Co. DC Galvanometer Pattern 155 Volts Microamperes The item in the image is a vintage Jewell Electrical Instrument Co. galvanometer, identified by the text on the dial and housing. The model number appears to be Pattern 155 Product Details Manufacturer: Jewell Electrical Instrument Co. Instrument Type: Galvanometer (an instrument used to detect and measure small electric currents) Measurements: It can measure both DC volts
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Vintage Jewell Instrument Co. DC Galvanometer Pattern 155 Volts/Microamperes