| Radio-Craft Radiophone D6 |
1922 |
Radio |
3 |
14 |
 |
|
|
$ |
| Radio-Craft SW |
1920 |
mod-pre26 |
|
1 |
 |
|
|
$ |
| Radio-Craft SW-LW |
1920 |
Radio |
|
|
|
|
|
$ |
| Radiohome DT-700 |
1922 |
Radio |
1 |
18 |
 |
|
|
$ |
| Radiophone D4 [Box] |
1923 |
Crystal |
3 |
|
|
|
|
|
| Radiophone F-5-AL [90$] |
1925 |
Radio |
5 - DV2 |
12 |
 |
1S |
|
$ |
| Radiophone Model D14 |
1924 |
Radio |
5 - UV201A |
1 |
 |
|
|
$ |
| Radiophone Oscillion Transmitter Type OT-10 |
1920/21 |
Amateur-T |
4 |
4 |
 |
|
|
|
| Radiophone Portable Transmitter Buzzer Type OT-5 |
1920 |
Amateur-T |
3 |
2 |
 |
|
|
|
| Radiophone Transmitter OT-25 |
1921 |
Commercial Tr |
|
2 |
 |
|
|
|
| Radio Receiver Long Wave Type |
1918 ?? |
mod-pre26 |
|
12 |
 |
|
|
|
| Radio Receiving Set Type BC-14 A (SCR-54A) |
1918 |
Mil Re |
|
18 |
 |
1S |
|
$ |
| Radio Tel & Tel RJ-4 [3 Point Tap Switch] |
1913 |
mod-pre26 |
1 - AUDION_DeForest |
20 |
 |
|
|
$ |
| Reflex Radiophone D7 |
1922 |
Radio |
3 - DV6 |
11 |
 |
|
|
$ |
| Renaissance W6F |
1925 |
Radio |
6 |
6 |
 |
|
|
$ |
| R-J Tuner Loose Coupler |
1909 |
mod-pre26 |
|
2 |
 |
|
|
|
| R-J Variometer |
1909 |
mod-pre26 |
|
13 |
 |
|
|
|
| R. J. Wavemeter |
1909 |
Equipment |
|
1 |
 |
|
|
|
| R.J.4 (RJ4) |
1914 |
mod-pre26 |
1 - Audion_dbw |
28 |
 |
|
|
$ |
| RJ-7 |
1916/17 |
Radio |
2 - Audion_dbw |
5 |
 |
|
|
|
| RJ-X |
1916 |
Radio |
1 - AUDION_DeForest |
20 |
 |
|
|
|
| SCR-55 Vacuum Tube Detector DT-3A |
1918 |
Military |
1 - VT-1 |
5 |
 |
|
|
$ |
| Short Wave CS5 |
1930 |
Radio |
4 |
|
|
|
|
|
| SP-2 2-Stage Audio Amplifier |
1922 |
Ampl/Mixer |
2 - UV201 |
13 |
 |
|
|
|
| Spade Responder |
1905/06 |
mod-pre26 |
|
1 |
 |
|
|
|
| Speaker |
1925 ? |
Speaker-P |
|
2 |
 |
1S |
|
|
| Syntonizer (Syntoniser) |
1904–08 |
mod-pre26 |
|
4 |
 |
|
|
|
| T200P300 |
1920 |
Radio |
2 - VT-Class-I |
8 |
 |
|
|
$ |
| Tuner Type T-200 |
1920 |
mod-pre26 |
|
15 |
 |
|
|
$ |
| Two-Stage A. F. Amplifier MP-400 (MP400) |
1922 |
Ampl/Mixer |
2 - UV201 |
2 |
 |
|
|
|
| Two-Stage Amplifier Type DT-800 |
1922 |
Ampl/Mixer |
2 - UV200 |
15 |
 |
|
|
$ |
| Two Step Audion Amplifier Type P-200 |
1919/20 |
Ampl/Mixer |
2 - VT-Class-II |
18 |
 |
|
|
$ |
| Ultraudion Detector UJ 1 |
1916 |
mod-pre26 |
1 - T_deForest |
17 |
 |
|
|
|
| Ultraudion Receiver |
1914 |
Radio |
1 - Audion_dbw |
1 |
 |
1S |
|
|
| Ultraudion, Siren and One-Step Amplifier |
1914 |
Equipment |
1 - Audion_dbw |
15 |
 |
|
|
|
| Undamped Wave Oscillator |
1915 ?? |
mod-pre26 |
1 - Ultraudion |
1 |
 |
|
|
|
| Unit Receiver 9 Panels |
1919 ? |
teaching |
|
1 |
 |
|
|
$ |
| Utility Time Receiver RS-200 [Engraved panel] |
1919 |
Radio |
1 - VT-Class-I |
10 |
 |
|
|
|
| UtilityTime Receiver RS-200 (Rainbow) |
1920 |
Radio |
1 - VT-Class-I |
5 |
 |
1S |
|
$ |
| Variable Condenser CV-1003 (Elliot) [Unmounted with vernier] |
1920 |
Radio part |
|
|
|
|
|
|
| Variable Condenser Type V.C. 3.5 |
1911–16 ?? |
mod-pre26 |
|
4 |
 |
|
|
|
| Variable Condenser Type VC4 |
1917 |
mod-pre26 |
|
7 |
 |
|
|
$ |
| Variable Condenser, Edwards CV-1000 [Unmounted without vernier] |
1920 ? |
Radio part |
|
1 |
 |
|
|
|
| Variable Condenser, Evans CV-1010 [In standard glass case without vernier] |
1920 |
Radio part |
|
|
|
|
|
|
| Variable Condenser, Fabyan CV-1013 [In standard glass case with vernier] |
1920 |
Radio part |
|
6 |
 |
|
|
$ |
| Variable Condenser, Faraday CV-1020 [Shielded without vernier in aluminum case] |
1920 |
Radio part |
|
2 |
 |
|
|
|
| Variable Condenser, Fenton CV-1023 [Shielded with vernier in aluminum case] |
1920 |
Radio part |
|
|
|
|
|
|
| Variable Condenser, Finch CV-1030 [For oil without vernier in glass case] |
1920 |
Radio part |
|
|
|
|
|
|
| Variable Condenser, Fitzroy CV-1033 [For oil with vernier in glass case] |
1920 |
Radio part |
|
10 |
 |
|
|
|
| Variable Condenser, Fletcher CV-1500 [Unmounted without vernier] |
1920 |
Radio part |
|
|
|
|
|
|
| Variable Condenser, Flint CV-1503 [Unmounted with vernier] |
1920 |
Radio part |
|
|
|
|
|
|
| Variable Condenser, Floris CV-1510 [In standard glass case without vernier] |
1920 |
Radio part |
|
|
|
|
|
|
| Variable Condenser, Forbes CV-1513 [In standard glass case with vernier] |
1920 |
Radio part |
|
4 |
 |
|
|
$ |
| Variable Condenser, Foster CV-1520 [Shielded without vernier in aluminum case] |
1920 |
Radio part |
|
|
|
|
|
|
| Variable Condenser, Fox CV-1523 [Shielded with vernier in aluminum case] |
1920 |
Radio part |
|
2 |
 |
|
|
$ |
| Variable Condenser, Freneau CV-1530 [For oil without vernier in glass case] |
1920 |
Radio part |
|
|
|
|
|
|
| Variable Condenser, Frost CV-1533 [For oil with vernier in glass case] |
1920 |
Radio part |
|
|
|
|
|
|
| W5F |
1925 |
Radio |
5 |
2 |
 |
|
|
$ |
| W6T |
1925 |
Radio |
6 |
12 |
 |
|
|
$ |
| Wavemeter SW-100 |
1921 |
Equipment |
|
1 |
 |
|
|
|
| 1st Post WWI Radio Apparatus catalog |
1919 |
Paper |
|
56 |
 |
|
|
|
| 50 |
1926 |
Radio |
2 |
|
|
|
|
|
| 90° Variable Air Condenser CV-500 |
1919 ? |
Radio part |
|
1 |
 |
|
|
|