Vacuum Tube Voltmeter V2 |
1945 ?? |
Equipment |
3 - 6H6 |
4 |
 |
1S |
|
|
HBR-5 |
1947 ? |
Commercial Re |
5 - 1T4 |
1 |
 |
4S |
|
|
Signal Tracer T-1 |
1948 |
Equipment |
3 - 6SJ7 |
1 |
 |
1S |
|
|
Vacuum Tube Voltmeter (VTVM) V-5A |
1948 |
Equipment |
2 - 6H6 |
1 |
 |
18S |
|
|
Condenser Checker C-1 |
1948 ? |
Equipment |
2 - 1629 |
5 |
 |
2S |
1F |
|
Belmont Raytheon - Television Receiver Kit |
1949 |
Television |
18 - 7JP4 |
2 |
 |
|
|
|
Signal Generator G-5 |
1949 |
Equipment |
2 - 6SN7 |
1 |
 |
1S |
|
|
FM Tuner FM-1 |
1949 ? |
Radio |
2 - 14F8 |
7 |
 |
4S |
|
|
AR-1 |
1949–51 |
Radio |
5 - 12K8 |
3 |
 |
6S |
|
|
FM Tuner Kit FM-2 |
1950 |
Radio |
8 - 6SH7 |
2 |
 |
1S |
|
|
Battery Eliminator BE-2 |
1950 ? |
Equipment |
|
2 |
 |
1S |
|
|
Broadcast Receiver BR-1 |
1950 ? |
Radio |
5 - 12K8 |
2 |
 |
5S |
|
|
Broadcast Receiver BR-1E [export] |
1950 ? |
Radio |
5 - 12K8 |
1 |
 |
1S |
|
|
Impedance Bridge IB-1 |
1950 ? |
Equipment |
|
2 |
 |
3S |
|
|
Vacuum Tube Voltmeter (VTVM) V-4 |
1950 ? |
Equipment |
2 - 6SN7 |
2 |
 |
2S |
|
|
Oscilloscope O-8 |
1950 ?? |
Equipment |
11 - 6J5 |
8 |
 |
1S |
|
|
Signal Generator SG-6 |
1950 ?? |
Equipment |
|
4 |
 |
1S |
|
|
Condenser Checker C-2 |
1950–52 ? |
Equipment |
2 - 12A6 |
3 |
 |
2S |
|
$ |
Tube Checker TC-1 |
1950–53 ? |
Equipment |
|
8 |
 |
2S |
|
$ |
TV Alignment Generator TS-2 |
1950–53 ? |
Equipment |
5 - 7193 |
4 |
 |
1S |
|
|
LF-Generator G-2 |
1950–53 ?? |
Equipment |
5 - 6SL7GT |
6 |
 |
1S |
|
|
Audio Preamp WA-P1 (WAP1) |
1951 |
Ampl/Mixer |
2 - 12AY7 |
5 |
 |
1S |
|
|
Electronic Switch S-2 |
1951 ? |
Equipment |
5 - 6SN7 |
7 |
 |
1S |
|
|
Handitester M-1 |
1951 ? |
Equipment |
|
11 |
 |
3S |
|
|
Impedance Bridge IB-1B |
1951 ? |
Equipment |
|
8 |
 |
2S |
|
|
Oscilloscope O-6 |
1951 ? |
Equipment |
10 |
1 |
 |
|
|
|
Vacuum tube voltmeter V-4A |
1951 ? |
Equipment |
2 - 6H6 |
3 |
 |
17S |
|
|
Vacuum Tube Voltmeter (VTVM) V-5 |
1951 ? |
Equipment |
2 - 7A6 |
4 |
 |
1S |
|
|
Main Amplifier WA-1 |
1951 ?? |
Ampl/Mixer |
5 - 6SN7 |
7 |
 |
|
|
|
Square Wave Generator SQ-1 |
1951–57 |
Equipment |
4 - 6SL7 |
4 |
 |
1S |
|
|
Audio Frequency Meter AF-1 |
1951–59 ? |
Equipment |
4 - 6SJ7 |
6 |
 |
2S |
|
|
Audio Generator AG-7 |
1952 |
Equipment |
6 - 6J7 |
1 |
 |
6S |
|
|
Grid Dip Meter GD-1 |
1952 |
Equipment |
1 - 6AF4 |
1 |
 |
|
|
|
Pre-Amplifier, Williamson-type Amplifier, and Power Supply WA-P1, WA-A1 |
1952 |
Kit |
7 - 12AX7 |
2 |
 |
1S |
|
|
Voltage Calibrator VC-1 |
1952 |
Equipment |
1 - 6AL5 |
5 |
 |
|
|
|
5" Oscilloscope Kit O-7 (0-7) |
1952 |
Equipment |
10 - 6J5 |
3 |
 |
1S |
|
|
Battery Tester BT-1 |
1952 ? |
Equipment |
|
3 |
 |
4S |
|
|
Broadcast Receiver BR-2 |
1952 ? |
Radio |
5 - 12BE6 |
12 |
 |
1S |
|
|
High Voltage Probe IMA-100-11 |
1952 ? |
Equipment |
|
2 |
 |
3S |
|
|
Signal Generator SG-7 |
1952 ? |
Equipment |
2 - 6C4 |
5 |
 |
1S |
|
$ |
Signal tracer T2 |
1952 ? |
Equipment |
3 - 6SH7 |
8 |
 |
1S |
|
|
Amplifier A-9 |
1952 ?? |
Ampl/Mixer |
6 - unknown_Tube |
12 |
 |
|
|
|
Battery Eliminator BE-3 |
1952 ?? |
Power-S |
|
3 |
 |
|
|
|
Laboratory Power Supply PS-1 |
1952 ?? |
Power-S |
3 - 1619 |
1 |
 |
1S |
|
|
Communications Receiver AR-2 |
1952–55 |
Amateur-R |
6 - 12BE6 |
7 |
 |
1S |
|
|
Audio Wattmeter AW-1 |
1952–59 ? |
Equipment |
1 - 12AU7 |
3 |
 |
3S |
|
$ |
Antenna Impedance Meter AM-1 |
1952–60 |
Equipment |
|
5 |
 |
11S |
|
$ |
VFO VF-1 |
1952–61 ? |
Amateur-D |
1 - 6AU6 |
13 |
 |
1S |
|
|
Grid Dip Meter GD-1A |
1953 |
Equipment |
1 - 6AF4 |
6 |
 |
1S |
|
$ |
Signal Generator SG-8 |
1953 |
Equipment |
2 - 12AU7 |
28 |
 |
8S |
1F |
$ |
AC Voltmeter AV-2 |
1953 ? |
Equipment |
2 - 6AU6 |
6 |
 |
1S |
|
$ |
Amplifier A-7B |
1953 ? |
Ampl/Mixer |
5 - 12J5 |
5 |
 |
1S |
|
|
Amplifier A-7C |
1953 ? |
Ampl/Mixer |
6 - 12SH7 |
4 |
 |
1S |
|
|
Amplifier A-7E |
1953 ? |
Ampl/Mixer |
6 - 12SL7 |
8 |
 |
1S |
|
|
Antenna Coupler AC-1 |
1953 ? |
Amateur-D |
|
2 |
 |
1S |
|
|
Audio Amplifier A-9A |
1953 ? |
Ampl/Mixer |
6 - 12AX7 |
2 |
 |
1S |
|
|
Audio Generator AG-8 |
1953 ? |
Equipment |
4 - 6SJ7 |
6 |
 |
2S |
|
$ |
Audio Oscillator AO-1 |
1953 ? |
Equipment |
3 - 6SN7 |
1 |
 |
1S |
|
$ |
Bar Generator BG-1 |
1953 ? |
Equipment |
1 - 12AT7 |
2 |
 |
1S |
|
|
Intermodulation Analyzer IM-1 |
1953 ? |
Equipment |
4 - 12AX7 |
5 |
 |
1S |
|
|
Isolation Transformer IT-1 |
1953 ? |
Equipment |
|
10 |
 |
1S |
|
$ |
Record Player RP-1 |
1953 ? |
R-Player |
4 - 12AX7 |
2 |
 |
1S |
|
|
Tube Checker TC-2 |
1953 ? |
Equipment |
|
27 |
 |
1S |
1F |
$ |
TV Alignment Generator TS-3 |
1953 ? |
Equipment |
6 - 12AT7 |
4 |
 |
1S |
|
|
Vibrator Tester VT-1 |
1953 ? |
Equipment |
|
4 |
 |
1S |
1F |
|
Voltage Calibrator VC-2 |
1953 ? |
Equipment |
1 - 6AL5 |
3 |
 |
1S |
|
|
AR-1E |
1953 ?? |
Radio |
6 - 1626 |
1 |
 |
|
|
|
Williamson Type Amplifier W-2M |
1953 ?? |
Ampl/Mixer |
5 - 6SN7 |
5 |
 |
|
|
|
Amateur-Transmitter AT-1 |
1953–56 |
Amateur-T |
3 - 6AG7 |
11 |
 |
1S |
|
$ |
Battery Eliminator BE-4 |
1953–60 |
Equipment |
|
8 |
 |
1S |
|
|
Grid Dip Meter GD-1B |
1953–61 |
Equipment |
1 - 6AF4 |
7 |
 |
2S |
|
$ |
Condenser Substitution Box CS-1 |
1953–62 ? |
Equipment |
|
5 |
 |
2S |
|
|
Resistance Substitution Box RS-1 |
1953–62 ?? |
Equipment |
|
1 |
 |
|
|
|
Audio Amplifier A-9B |
1954 |
Ampl/Mixer |
6 - 12AX7 |
11 |
 |
|
|
|
Preamplifier WA-P2 (WAP2) |
1954 |
Ampl/Mixer |
3 - 12AU7 |
13 |
 |
12S |
|
|
Vacuum Tube Voltmeter (VTVM) V-6 |
1954 |
Equipment |
2 - 6H6 |
14 |
 |
1S |
|
|
Amplifier Williamson Type W-2 |
1954 ? |
Ampl/Mixer |
7 - 12AY7 |
1 |
 |
|
|
|
Decade Resistance Box DR-1 |
1954 ? |
Equipment |
|
1 |
 |
1S |
|
|
Demodulator Probe 337-B |
1954 ? |
Equipment |
|
1 |
 |
|
|
|
Dual Record Player Kit RP-2 |
1954 ? |
R-Player |
4 |
2 |
 |
|
|
|
Impedance Bridge IB-2 |
1954 ? |
Equipment |
4 - 1U4 |
1 |
 |
|
|
|
Low Capacity Probe 342 |
1954 ? |
Equipment |
|
2 |
 |
|
|
|
Multimeter MM-1 |
1954 ? |
Equipment |
|
6 |
 |
1S |
|
$ |
Oscilloscope O-9 |
1954 ? |
Equipment |
11 - 6AB4 |
1 |
 |
|
|
|
Peak to Peak Probe 338-B |
1954 ? |
Equipment |
|
2 |
 |
|
|
|
Radio Frequency Probe 309-B |
1954 ? |
Equipment |
|
1 |
 |
|
|
|
Variable Voltage Regulated Power supply PS-2 |
1954 ? |
Power-S |
4 - 6SJ7 |
1 |
 |
|
|
|
Visual-Aural Signal Tracer T-3 |
1954 ? |
Equipment |
5 - 12C8 |
9 |
 |
2S |
|
$ |
Williamson Type Amplifier W-3M |
1954 ? |
Ampl/Mixer |
5 - 6SN7GT |
12 |
 |
1S |
|
|
Laboratory Oscilloscope O-10 |
1955 |
Equipment |
11 - 6AB4 |
14 |
 |
3S |
|
$ |
Oscilloscope OM-1 |
1955 |
Equipment |
8 - 12AU7 |
1 |
 |
|
|
|
Q-Meter QM1 |
1955 |
Equipment |
4 - 12AT7 |
19 |
 |
19S |
2F |
$ |
LP-1 Linearity Pattern Generator |
1955 ? |
Equipment |
5 - 6J6 |
5 |
 |
|
|
|
Peak-to-Peak Voltage Probe 338-C |
1955 ? |
Equipment |
|
|
|
4S |
|
|
Audio Generator AG-8/D |
1955 ?? |
Equipment |
4 - 6SJ7 |
3 |
 |
|
|
$ |
Monaural Tape Electronics TE-1 |
1955 ?? |
R-Player |
|
15 |
 |
|
|
|
309C |
1955 ?? |
Equipment |
|
2 |
 |
|
|
|
Vacuum Tube Voltmeter V-7 |
1955/55 |
Equipment |
2 - 6AL5 |
2 |
 |
|
|
$ |
DX-100 |
1955–57 |
Amateur-T |
14 - 6AU6 |
10 |
 |
4S |
|
|
Laboratory Generator LG-1 |
1955–60 ? |
Equipment |
3 - 6AF4 |
12 |
 |
1S |
|
$ |