| Portable Spark Coil Set SCR-74 |
1917 ? |
Mil Tr |
|
7 |
 |
|
|
|
| Navy Receiver SE-1420 Type B (IP-501) |
1919 |
Mil Re |
1 - VT-1 |
8 |
 |
|
|
$ |
| Amateur Wave-Meter Type D |
1919 ? |
Equipment |
|
1 |
 |
|
|
|
| Lightning Switch Type 2796 |
1919 ? |
Amateur-D |
|
7 |
 |
|
|
|
| 1/2 KW Quenched Gap Type G-2 |
1919–21 |
Amateur-D |
|
14 |
 |
|
|
|
| 1/4 KW Quenched Gap Type G-3 |
1919–21 |
Amateur-D |
|
11 |
 |
|
|
$ |
| Induction Coil Type C-1 |
1920 |
Amateur-D |
|
14 |
 |
|
|
$ |
| Navy Receiver SE 1420 C [BC-131] |
1920 |
Mil Re |
1 - VT-1 |
4 |
 |
|
|
|
| Variometer Short Wave Type D |
1920 |
Radio part |
|
8 |
 |
|
|
|
| 2331 Type E Crystal Receiver |
1920 |
Galène |
|
11 |
 |
|
|
$ |
| FAKE Dual Crystal Detector G3 |
1920 ? |
Radio part |
|
7 |
 |
|
1F |
$ |
| Navy Receiver SE 1420C |
1920 ? |
Commercial Re |
1 - VT-1 |
2 |
 |
|
|
$ |
| Send & Receive Switch 2834 |
1920–25 |
Amateur-D |
|
7 |
 |
|
|
$ |
| Amrad Induction Coil Sets March 15, 1921 Bulletin P-3 |
1921 |
Paper |
|
2 |
 |
|
|
|
| Amrad Quenched Gaps March 15, 1921 Bulletin Q |
1921 |
Paper |
|
4 |
 |
|
|
|
| Amrad Receiving Units February 1, 1921 Bulletin V |
1921 |
Paper |
|
8 |
 |
|
|
|
| Amrad Selector Set |
1921 |
Radio |
2 - UV200 |
1 |
 |
|
|
|
| B Battery Box Type A |
1921 |
A-courant |
|
10 |
 |
|
|
|
| Long Wave Tuner 2492 Type F |
1921 |
mod-pre26 |
|
13 |
 |
|
|
|
| Regenerative [Box] |
1921 |
Radio |
3 |
|
|
|
|
|
| Regenerative [T] |
1921 |
Radio |
1 |
|
|
|
|
|
| Variometer 2611 |
1921 |
mod-pre26 |
|
8 |
 |
|
|
|
| V.T. Detector Type A |
1921 |
mod-pre26 |
1 - UV200 |
5 |
 |
|
|
|
| VT 2-Stage Amplifier No. 2776 [Binding Posts on Front Panel] |
1921 |
Ampl/Mixer |
2 - UV201 |
7 |
 |
|
|
|
| VT One-Step Amplifier No. 2766 [Early] |
1921 |
Ampl/Mixer |
1 - UV201 |
2 |
 |
|
|
|
| Duplex C |
1921 ? |
Radio part |
|
3 |
 |
|
|
|
| Single Detector C-1 |
1921 ? |
Radio part |
|
1 |
 |
|
|
|
| Amrad Peak Receiver |
1922 |
Radio |
|
1 |
 |
|
|
|
| Coupler 2753 |
1922 |
mod-past25 |
|
9 |
 |
|
1F |
$ |
| Detector /Two Stage AF Amplifier 2634 |
1922 |
mod-pre26 |
3 - UV200 |
8 |
 |
|
|
$ |
| DT Det-Amp |
1922 |
mod-past25 |
3 |
|
|
|
|
|
| Mershon Electrolytic Condenser No. 2747 |
1922 |
Radio part |
|
11 |
 |
|
|
|
| Shortwave |
1922 |
Radio |
3 |
|
|
|
|
|
| Short Wave Tuner & Detector / Two Stage Amplifier 2596 & 2634 |
1922 |
Radio |
3 - UV200 |
9 |
 |
|
|
$ |
| Two Stage RF Amplifier 3071 |
1922 |
Ampl. HF |
2 - UV201A |
8 |
 |
|
|
|
| Variable Condenser 2777 |
1922 |
Radio part |
|
5 |
 |
|
|
$ |
| Variometer (Boxed) No. 2752 |
1922 |
mod-pre26 |
|
|
|
|
|
|
| Variometer Short Wave Type D-1 |
1922 |
mod-pre26 |
|
9 |
 |
|
|
|
| VT 1-Stage Amplifier No. 2766 [Late] |
1922 |
Ampl/Mixer |
1 - UV201 |
10 |
 |
|
|
|
| 2575 Crystal Receiver |
1922 |
Galène |
|
22 |
 |
|
|
$ |
| 2612 Vario-coupler |
1922 |
Radio part |
|
4 |
 |
|
|
|
| 2776 2 Step Amplifier |
1922 |
Ampl/Mixer |
2 - UV201 |
14 |
 |
|
|
|
| 3380 3108 + 2634 |
1922 |
Radio |
|
7 |
 |
|
|
$ |
| Reflex Receiver 3366 |
1922/23 |
Radio |
|
25 |
 |
1S |
|
$ |
| Short Wave Tuner 2596 |
1922/23 |
mod-pre26 |
|
9 |
 |
1S |
|
$ |
| Mershon Condenser |
1922–30 |
Radio part |
|
1 |
 |
|
|
|
| Amrad 35 3500 3475 & 2634 |
1923 |
Radio |
4 - UV201A |
7 |
 |
1S |
|
$ |
| Amrad 35 3500-1 3475 & 2634 |
1923 |
Radio |
4 |
10 |
 |
2S |
|
$ |
| Amrad 35 3500-2 3730 & 2634 |
1923 |
Radio |
4 |
20 |
 |
1S |
|
$ |
| Amrad Console Grand [Double Decker] |
1923 |
Radio |
4 - UV201A |
1 |
 |
|
|
|
| Broadcast Tuner 3475 |
1923 |
Radio |
1 - UV201A |
8 |
 |
|
|
$ |
| VT 2-Stage Amplifier No. 2776 [Binding Posts on Rear Panel] |
1923 |
Ampl/Mixer |
2 - UV201A |
14 |
 |
|
|
$ |
| 107$ |
1923 |
Radio |
|
|
|
|
|
|
| 2771 Vacuum Tube Detector |
1923 |
mod-pre26 |
1 - UV200 |
19 |
 |
|
|
|
| 3670-1 3670-2 |
1923 |
Radio |
|
12 |
 |
|
|
$ |
| 3950 |
1923 ?? |
Radio |
3 - unknown_Tube |
|
|
1S |
|
|
| Inductrole |
1924 |
Radio |
4 |
|
|
2S |
|
|
| Neutrodyne |
1924 |
Radio |
5 |
13 |
 |
|
|
$ |
| Neutrodyne Receiver [Built in horn speaker] |
1924 |
Radio |
5 - UV201A |
9 |
 |
|
|
|
| 3590 |
1924 |
Radio |
3 |
|
|
1S |
|
|
| Cabinette 3500-4 |
1924/25 |
Radio |
4 |
1 |
 |
|
|
$ |
| Amrad 35 Inductrole 3500-3 |
1925 |
Radio |
4 - UX201A |
17 |
 |
|
|
$ |
| Jewel 3500-6 |
1925 |
Radio |
4 |
2 |
 |
|
|
$ |
| T5 |
1925 |
Radio |
5 |
|
|
|
|
$ |
| AC5 |
1926 |
Radio |
7 - UX199 |
11 |
 |
2S |
|
$ |
| AC5C |
1926 |
Radio |
7 - UX199 |
|
|
1S |
|
$ |
| AC9 |
1926 |
Radio |
9 |
|
|
|
|
$ |
| AC9C AC9C |
1926 |
Radio |
9 |
|
|
|
|
$ |
| S522 [Later model with Tuning dial windows] |
1926 |
Radio |
5 - UX201A |
3 |
 |
2S |
|
$ |
| S522C |
1926 |
Radio |
5 - UX201A |
6 |
 |
1S |
|
$ |
| 5-Tube Neutrodyne S-522 [Early model with dial pointers] |
1926 |
Radio |
5 - UX201A |
6 |
 |
|
|
$ |
| Berwick AC6C |
1927 |
Radio |
7 - 226 |
2 |
 |
1S |
|
$ |
| Berwick DC6C |
1927 |
Radio |
6 - 01A |
3 |
 |
1S |
|
|
| Chassis AC6 |
1927 |
Radio |
7 - 226 |
3 |
 |
1S |
|
|
| Hastings AC7C |
1927 |
Radio |
8 - UX226 |
2 |
 |
1S |
|
$ |
| Hastings DC7C |
1927 |
Radio |
7 - CX301A |
2 |
 |
1S |
|
|
| Warwick AC6 |
1927 |
Radio |
7 - 226 |
2 |
 |
1S |
|
$ |
| Warwick DC6 |
1927 |
Radio |
6 - 01A |
2 |
 |
2S |
|
|
| Windsor AC7 |
1927 |
Radio |
8 - UX226 |
2 |
 |
2S |
|
$ |
| Windsor DC7 |
1927 |
Radio |
7 - CX301A |
5 |
 |
2S |
|
|
| S733 |
1927 ? |
Radio |
7 - CX301A |
3 |
 |
2S |
|
$ |
| S733C |
1927 ? |
Radio |
7 - CX301A |
|
|
1S |
|
$ |
| Concerto 70 |
1928 |
Radio |
8 - UX226 |
2 |
 |
1S |
|
$ |
| Nocturne 70 |
1928 |
Radio |
8 - UX226 |
4 |
 |
1S |
|
$ |
| Opera 70 |
1928 |
Radio |
8 - UX226 |
2 |
 |
1S |
|
|
| Sonata 70 |
1928 |
Radio |
8 - UX226 |
4 |
 |
1S |
|
$ |
| Power Pack (Power Unit) 171 ABC |
1928 ? |
A-courant |
1 - UX213 |
|
|
1S |
|
|
| Power Unit |
1928 ?? |
A-courant |
3 |
|
|
2S |
|
|
| Receiver 7100 |
1928 ?? |
Radio |
5 - 226 |
|
|
3S |
|
|
| Radio Phonograph Combination |
1928/29 |
Radio |
6 - 226 |
3 |
 |
|
|
|
| Bel Canto 81 |
1929 |
Radio |
8 - UY224 |
11 |
 |
3S |
|
$ |
| Duet 81 |
1929 |
Radio |
8 - UY224 |
8 |
 |
3S |
|
$ |
| Minuet 81 |
1929 |
Radio |
8 - UY224 |
3 |
 |
3S |
|
|
| Serenata 81 |
1929 |
Radio |
8 - UY224 |
10 |
 |
3S |
|
$ |
| Symphony 81 |
1929 |
Radio |
8 - UY224 |
16 |
 |
3S |
|
$ |
| The Aria 81 |
1929 |
Radio |
8 - UY224 |
26 |
 |
3S |
|
$ |
| 82 |
1929 |
Radio |
5 - X99 |
|
|
2S |
|
$ |
| 83 |
1929 |
Radio |
5 - X99 |
|
|
2S |
|
$ |
| 84C |
1929 ? |
Radio |
8 - 224 |
|
|
1S |
|
|
| 84D |
1929 ? |
Radio |
8 - 224 |
|
|
1S |
|
|