VINTAGE GENERAL RADIO - STROBOTAC - TYPE: 1538-AB ELECTRONIC STROBOSCOPE

Vintage Schmidt Check-Line Electromatic Tensiometer Model ZFT 12 MIB in Case

General Radio Co. Strobotac 1531-A Industrial Stroboscope – Vintage RPM Tester

General Radio Company Type 1531-A 125 Volt Strobotac Electronic Stroboscope

Checkline Electromatic PK2 Pocket-Strobe Stroboscope Powers On NO BULB

Pioneer Electric Stroboscope 30K with Power Supply model PS30K, Tested Works USA

Monarch Nova-Strobe BBX Battery-Powered Stroboscope (VT11)

Slaughter Company Model 165/166 Portable Stroboscope RPM Triggered Flash Vintage