Volt-Ohmmeter 443 |
1932 ?? |
Equipment |
|
6 |
 |
|
|
|
Tube Tester 222 |
1937/38 |
Equipment |
|
4 |
 |
|
|
|
AC-DC Meter 28 |
1938 |
Equipment |
|
1 |
 |
|
|
|
AC-DC Volt-Ohm-Milliammeter 202 |
1938 |
Equipment |
|
7 |
 |
|
|
|
DC Meter 28 |
1938 |
Equipment |
|
1 |
 |
|
|
|
DC Volt-Ohm-Milliammeter 201 |
1938 |
Equipment |
|
1 |
 |
|
|
|
DC Volt-Ohm-Milliammeter 205 |
1938 |
Equipment |
|
2 |
 |
|
|
|
Radio Set Tester 250 |
1938 |
Equipment |
|
1 |
 |
|
|
|
Roto Ranger Set Tester 275 |
1938 |
Equipment |
|
1 |
 |
|
|
|
Set Tester 225 |
1938 |
Equipment |
|
1 |
 |
|
|
|
Roto Ranger Tube and Set Tester 220 |
1938/39 |
Equipment |
|
2 |
 |
|
|
|
AC-DC Volt-Ohm-Milliammeter 215 (WD-215) |
1938–46 |
Equipment |
|
11 |
 |
1S |
|
|
AC-DC Volt-Ohm-Milliammeter 120 |
1939 |
Equipment |
|
6 |
 |
|
|
|
Giant Tube Tester 325 |
1939 |
Equipment |
|
5 |
 |
|
|
|
Test Master 440 |
1939 |
Equipment |
1 - 71A |
12 |
 |
|
|
|
Tube Tester 333 |
1939 |
Equipment |
1 |
6 |
 |
|
|
|
Volt-Ohm-Milliammeter (Hammeter) 240 |
1939 |
Equipment |
|
8 |
 |
1S |
|
|
Volt-Ohm-Milliammeter 235 |
1939 ? |
Equipment |
|
9 |
 |
1S |
|
|
Volt-Ohm-Milliammeter 230 |
1939–46 |
Equipment |
|
10 |
 |
|
|
|
Volt-Ohm-Milliammeter (High Sensitivity Set Tester) 260 (260RT) |
1939–51 |
Equipment |
|
11 |
 |
3S |
|
$ |
DC Microammeter 284 |
1940 |
Equipment |
|
3 |
 |
|
|
|
Panel Meter [Model 26] |
1940 ? |
Equipment |
|
1 |
 |
|
|
|
DC Volt-Ohmmeter 324 |
1940 ?? |
Equipment |
|
1 |
 |
|
|
|
Ammeter H.F. 350 MA. No. 1 Model 135T Thermocouple 8486 |
1941 |
Equipment |
|
1 |
 |
|
|
|
Volt-Ohmmeter I-166 |
1944 |
Military |
|
8 |
 |
1S |
|
|
Signal Generator 315 |
1946/47 |
Equipment |
3 - 6J5 |
6 |
 |
11S |
|
$ |
Tube Tester 330 |
1946/47 |
Equipment |
|
4 |
 |
1S |
1F |
|
Vacuum Tube Voltmeter (VTVM) 266 |
1946/47 |
Equipment |
3 - 9006 |
2 |
 |
|
|
|
RF Signal Generator 415 |
1946–50 |
Equipment |
|
7 |
 |
|
|
|
Tube Tester 305 (WD-305) |
1946–54 |
Equipment |
1 - 6J5 |
7 |
 |
1S |
|
$ |
Tube Tester 305-RC [table model] |
1947 |
Equipment |
1 - 6J5 |
2 |
 |
|
|
|
Tube Tester 305-RC [portable model] |
1947–54 |
Equipment |
1 - 6J5 |
6 |
 |
1S |
|
|
Volt-Amp-Wattmeter 390 |
1947–56 |
Equipment |
|
4 |
 |
|
|
|
Roto Ranger AC-DC Volt-Ohm-Microammeter 221 |
1948 |
Equipment |
|
4 |
 |
1S |
|
|
Tube Tester 555 |
1948 ? |
Equipment |
|
10 |
 |
1S |
|
|
Vacuum Tube Volt-Ohmmeter 303 (303-RT) |
1950 ? |
Equipment |
2 - 12AU7 |
10 |
 |
2S |
|
$ |
AC Ammeter 260 Adapter 653 |
1950 ?? |
Equipment |
|
2 |
 |
1S |
|
|
Battery Tester 260 Adapter 656 |
1950 ?? |
Equipment |
|
2 |
 |
1S |
|
|
Microvolt Attenuator 260 Adapter 655 |
1950 ?? |
Equipment |
|
2 |
 |
1S |
|
|
Output Voltmeter 427 |
1950 ?? |
Equipment |
|
4 |
 |
|
|
|
Radio Frequency Amperes Meter 35R |
1950 ?? |
Equipment |
|
1 |
 |
|
|
|
Radio Frequency Amperes meter - RF 37 Cat. No. 780 |
1950 ?? |
Equipment |
|
1 |
 |
|
|
|
Tube and Set Tester 445 |
1950 ?? |
Equipment |
|
8 |
 |
|
|
|
TV-FM Genescope 480 |
1951 |
Equipment |
16 - 6C4 |
11 |
 |
1S |
1F |
|
Wavemeter - Modulation Indicator 380 (77) |
1951 |
Equipment |
|
6 |
 |
1S |
|
|
AC Ammeter 370 |
1951 ?? |
Equipment |
|
1 |
 |
|
|
|
AC-DC Voltmeter 880 (880RT) |
1951 ?? |
Equipment |
|
1 |
 |
2S |
|
|
AC-DC Volt-Wattmeter 391 |
1951 ?? |
Equipment |
|
1 |
 |
|
|
|
AC-DC Volt-Wattmeter 392 |
1951 ?? |
Equipment |
|
1 |
 |
|
|
|
AC-DC Wattmeter 880 (880RT) |
1951 ?? |
Equipment |
|
1 |
 |
2S |
|
|
AC Meters Model 10 series |
1951 ?? |
Equipment |
|
|
|
|
|
|
AC Milliammeter 378 |
1951 ?? |
Equipment |
|
|
|
|
|
|
AC Voltmeter 371 |
1951 ?? |
Equipment |
|
|
|
|
|
|
AC Voltmeter 376 |
1951 ?? |
Equipment |
|
2 |
 |
|
|
$ |
Ammeter 880 |
1951 ?? |
Equipment |
|
|
|
|
|
|
Battery Tester 379 |
1951 ?? |
Equipment |
|
1 |
 |
|
|
|
Capacity Bridge 381 |
1951 ?? |
Equipment |
|
2 |
 |
|
|
|
DC Ammeter 375 |
1951 ?? |
Equipment |
|
3 |
 |
|
|
|
DC Meters Model 9 series |
1951 ?? |
Equipment |
|
2 |
 |
|
|
|
DC Microammeter 374 |
1951 ?? |
Equipment |
|
|
|
|
|
|
DC Milliammeter 283 |
1951 ?? |
Equipment |
|
2 |
 |
|
|
|
DC Milliammeter 373 |
1951 ?? |
Equipment |
|
|
|
|
|
|
DC Voltmeter 377 |
1951 ?? |
Equipment |
|
|
|
|
|
|
Field Strength Meter 480 |
1951 ?? |
Equipment |
|
3 |
 |
|
|
|
Field Strength Meter 488 |
1951 ?? |
Equipment |
|
1 |
 |
|
|
|
Mirroscope 476 |
1951 ?? |
Equipment |
9 - 6J6 |
3 |
 |
|
|
|
Ohmmeter 372 |
1951 ?? |
Equipment |
|
3 |
 |
|
|
|
Plate Conductance Tube Tester 335 |
1951 ?? |
Equipment |
1 - 6J5 |
4 |
 |
1S |
|
$ |
Signal Generator 340 |
1951 ?? |
Equipment |
3 - 6J5GT |
5 |
 |
1S |
|
$ |
Temperature Meter 385 (385-3L) |
1951 ?? |
Equipment |
|
1 |
 |
|
|
|
TV Antenna Compass 351 |
1951 ?? |
Equipment |
|
1 |
 |
|
|
|
Synchronized Crosshatch Pattern Generator 485 |
1953 ?? |
Equipment |
|
1 |
 |
|
|
|
Plate Conductance Tube Tester 1000 |
1954 |
Equipment |
|
9 |
 |
2S |
|
|
Oscilloscope Calibrator 276 |
1954 ? |
Equipment |
|
4 |
 |
|
|
$ |
Field Strength Meter 498 |
1955 |
Equipment |
2 - 6BH6 |
2 |
 |
1S |
|
|
Midgetester Volt-Ohmmeter 355 |
1955 |
Equipment |
|
2 |
 |
1S |
|
|
406 Chromatic Amplifier |
1955 ? |
Equipment |
1 - 6AN8 |
1 |
 |
1S |
|
|
Multimeter ME-25B/U |
1955 ?? |
Equipment |
3 - 6SN7 |
7 |
 |
|
|
|
Colorscope 458 |
1956 |
Equipment |
|
8 |
 |
1S |
|
|
Field Strength Meter 498A |
1956 |
Equipment |
5 - 6BQ7 |
1 |
 |
1S |
|
|
Horizontal System Analyzer - Capacity Meter 382 |
1956 |
Equipment |
|
5 |
 |
2S |
|
|
Therm-O-Meter 388 (388-3L) |
1956 |
Equipment |
|
1 |
 |
|
|
|
TV-FM Signal Generator 479 |
1956 |
Equipment |
8 - 6J6 |
7 |
 |
4S |
|
|
Varidot (White Dot Generator) 434 |
1956 |
Equipment |
|
1 |
 |
|
|
|
Volt-Ohm-Microammeter 269 |
1956 |
Equipment |
|
7 |
 |
1S |
|
|
Varidot (White Dot Generator) 434A |
1956 ? |
Equipment |
8 - 12AU7 |
1 |
 |
1S |
|
|
AC-DC Volt-Ohm-Milliammeter 262 |
1956 ?? |
Equipment |
|
3 |
 |
1S |
|
|
Capacohmeter - In-circuit Capacitor Leakage Tester 383 |
1956 ?? |
Equipment |
2 - 1B3GT |
7 |
 |
1S |
|
|
Volt-Ohm-Milliammeter 260 Series 2 (260RT) |
1956–59 |
Equipment |
|
5 |
 |
1S |
|
|
Low-Ohmmeter 362 |
1957 |
Equipment |
|
4 |
 |
|
|
|
Capacohmeter - In-circuit Capacitor Leakage Tester 383A |
1957 ? |
Equipment |
2 - 2050 |
7 |
 |
2S |
|
|
Line-O-Meter 397 |
1957 ? |
Equipment |
|
1 |
 |
|
|
|
Volt-Ohm-Milliammeter 260 Series 2A |
1957 ? |
Equipment |
|
|
|
|
|
|
Volt-Ohm-Milliammeter 260 Series 3 |
1958/59 |
Equipment |
|
7 |
 |
|
|
|
Volt-Ohm-Milliammeter 260 Series 3A |
1959 ? |
Equipment |
|
1 |
 |
1S |
|
|
Volt-Ohm-Milliammeter 262 Series 2 (262-2) |
1959 ?? |
Equipment |
|
3 |
 |
1S |
|
|
DC Microamperes Meter SK 525-T3 |
1960 ?? |
Equipment |
|
2 |
 |
|
|
|
Volt-Ohm-Milliammeter 267 |
1961 |
Equipment |
|
|
|
1S |
|
|
Volt-Ohm-Milliammeter 268 |
1961 |
Equipment |
|
|
|
1S |
|
|
AC Ammeter 280 |
1962 ?? |
Equipment |
|
1 |
 |
|
|
|