On Sale At coolmathrun.org!

General Radio


1551-P1 GENERAL RADIO SOUND CONDENSER MICROPHONE SYSTEM

$35.00


General Radio Co Audio Oscillator 213B, Modified by Civil Aeronatuics Admin

$100.00


GENERAL RADIO VARIAC VARIABLE TRANSFORMER 115 V 5 Amp - works.

$34.00


Vintage General Radio Variac type 200C Variable 0-140V Autotransformer Powerstat

$25.99


General Radio 1683 RLC Bridge With Nixie Display National NL 845

$125.00


GENERAL RADIO VARIAC VARIABLE TRANSFORMER -120 VOLTS -30 AMP -50-60 CYCLES ((

$49.99


NEW General Radio 510C Decade Resistor, 10 Ohm Steps .05% GR Box Switch 510-C

$29.99


Vintage General Radio Variac Type V5MT - from research lab

$99.00


General Radio 1551P1 Condenser Microphone System with Cords no microphone

$39.95


General Radio GR resistor decade box vintage antique-Really Nice

$25.00


VARIAC Autotransformer General Radio Company W10MT3 0-140v 10amps ~ Vintage ~NR

$114.00


General Radio 1650-A Impedance Bridge

$150.00


General Radio Variac Autotransformer 115v input & 0-130v output, 5amp, 20' Cord

$94.50


General Radio 1203-B Power Unit and 1214-A Unit Oscillator

$35.00


Variac Parts General Radio W5 Brush Knob ++

$12.99


General Radio 1962-9610 1/2" Condensor Microphone + 1560-P42 Preamplifier

$139.00


General Radio Company RANDOM NOISE GENERATOR 1390-B

$80.00


General Radio variac 10 Amp 120v input 0-140v output model W10MT3

$75.00


General Radio Company 1551-C Sound-Level Meter T57576

$595.00


Group of 8 General Radio Asst. Type 505 Standard Capacitors ~ B -G-F-M -Unmarked

$79.00


VARIAC POWERSTAT GENERAL RADIO STACO VARIABLE TRANSFORMER KNOB 2 1/2" DIA 10A

$9.95


General Radio GR 1191-B Counter Nixie Tubes

$175.00


General Radio 900-DP 0.3 o 9 GHz 11" L, Probe Tuner. For 874-LBA Slotted Line

$59.99


VINTAGE GENERAL RADIO CO. TYPE 1555-A SOUND SURVEY METER LEATHER CASE

$22.00


GENERAL RADIO TYPE 1562-A SOUND LEVEL CALIBRATOR - IN CASE - VERY CLEAN

$96.95


General Radio 1565-B / 1567, Sound Level Measure Set w/ Case & Accy's, As-Shown

$299.00


General Radio Unit Oscillator Type 1211 GR 1211-B GenRad

$55.00


General Radio (GR) 0510-9705-00 510E Series, 10,000 ohms, Decade Resistor, New

$99.00


AUDIO SINE WAVE OSCILLATOR General Radio Company, Model 1311-A

$249.69


General Radio Variable Transformer Variac 20VAC Input 0-20/VAC Output 20a??????

$31.00


General Radio Company Type 874-LBA Slotted Line (amm)

$295.14


General Radio 1981B 30-80 / 70-120 dB, Sound Level Meter + Microphone. Tested!

$199.00


General Radio Counter 1192

$115.00


General Radio Type 60-A 115 VAC, 400 Hz, 5 A, Variac Autotransformer. Tested!

$99.00


General Radio Model 1310-A Oscillator

$99.99


General Radio 1657-9600 Extender Cable For 1657 LCR Bridges Banana Plugs. Tested

$99.00


General Radio 500-W 500 Kohm, +/- 0.05% 1.4 mA, Standard Resistor. Tested!

$99.00


General Radio 1409-U 0.2 uF, +/- 0.05%, 500 Volts Max Standard Capacitor. Tested

$79.99


Vintage General Radio Megohm Bridge Type 544-B with Oak Case Cambridge MA

$139.95


General Radio 1650-B Impedance Bridge WORKING

$199.99


GENERAL RADIO 1340 PULSE GENERATOR

$75.00


General Radio 1689-9603 Tweezers for 0.5" Clip Components. BNC (M). Tested

$149.00


General Radio W10MT3A [email protected] 0-10A Dual Metered Variac Autotransformer

$325.00


GENERAL RADIO VARIAC SET OF 3 TRANSFORMERS W2

$157.50