UNILAB II MFD Capacitor / Capacitance Box 350v D.C. / Decade box and mH coil

Pro'sKit MT-5110 3 1/2 Digital Capacitance Meter Multimeter Bundle - Works

Vintage Heathkit Model RS-1 Resistance Substitution Box

SPC Technology CSU-290 Capacitance Substitution

*READ* Vintage Phipps & Bird Model 236A Resistance Substitution Box UNTESTED

PHIPPS & BIRD 236A RESISTANCE SUBSTITUTION BOX MODULE

General Radio Operating Instructions Type 716-C Capacitance Bridge L

SPC Technology RSU-280 Resisitance Substitution