Everett Edgcumbe, Plug in, moving coil Voltmeter, 88mm DIA, Scaled 0-600 VDC, 244K Resistance, 1946 Dated
Everett Edgcumbe, Plug in, moving coil Voltmeter, 88mm DIA, Scaled 0-600 VDC, 244K Resistance, 1946 Dated
Everett Edgcumbe, Plug in, moving coil Voltmeter, 88mm DIA, Scaled 0-600 VDC, 244K Resistance, 1946 Dated