- Trusted Seller General Radio 1310B- Manufacturer: GenRad
 2 Hz to 2 MHz Oscillator The 1310B Oscillator is a capacitance tuned RC-Wein-bridge oscillator that drives a low-distortion output amplifier that delivers an output up to 20 Volts into an open circuit. The 1310B ... Cary, NC
- General Radio 1531AB- Manufacturer: GenRad
 - General Radio 1531AB Details General Radio 1531AB the 1531AB Strobotac Electronic Stroboscope is a later version of the 1531A. It is a small portable unit used to measure speed of fast-moving devices. The 1531AB ... Lake Mary, FL

