MONARCH INSTRUMENT NOVA STROBE DB PLUS KIT 115 PORTABLE STROBOSCOPE

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

Checkline Electromatic Pocket-Strobe Stroboscope

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

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

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

Monarch Nova-Strobe BBX Battery-Powered Stroboscope, 6207-012

Vintage General Radio STROBOTAC Model 1538-A Electronic STROBOSCOPE S1