3M Microfilm Part: 3M 76 Aperature Card Mounter 39DA
Serial Number - 187258
Voltage - 110 to 120 volts
Frequency - 60 cycles per second
Phase - Single
Microfilm Accommodated - 35mm positive or negative in 100 or 1000 foot rolls
Aperture Cards Used 3M Brand with aperture in MIL-D Location