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USA: Modelos del fabricante DeForest Radio Telephone & Telegraph Co. (De Forest); New York

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Modelo	Año	Categoría	Válvulas	Fotos			Foro	Coll.Pr.
Radio-Craft SW-LW	1920	Radio						$
Radiohome DT-700	1922	Radio	1	18				$
Radiophone D4 [Box]	1923	Galena	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	Militar	1 - VT-1	5				$
Short Wave CS5	1930	Radio	4
SP-2 2-Stage Audio Amplifier	1922	Ampl/Mixer	2 - UV201	13
Speaker	1925 ?	Altavoz-Au		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	16
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				$
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
50	1926	Radio	2
90° Variable Air Condenser CV-500	1919 ?	Radio part		1

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