Antique radios, Old Time Radios

TM

Country:	France		Brand:	Common production France tube
			Tube type:	Triode, vacuum Universal

Tube ID = 3759

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Identical to	TM = R_England = R_Osram = R_Penton = R_Marconi = R_Mullard = R_Replica = TM_Replica
Similar Tubes	Normally replaceable-slightly different: A_BTH Different maximum ratings: B_BTH
Successor Tubes	PR1 R_Marconi

Base	Europe 4-Pin (A, 4A, B4, since 1914)
Was used by	Military and/or Government
Filament	Vf 4 Volts / If: 0.7 Ampere / -: Direct / -: Battery = /
Description	Development (based on the DeForest Audion) initiated 1914, of a Triode having a cylindrical, single side supported system. Patented 1915. Design and introduction of the later common European 4pin socket B4. Manufactured by Grammont (Fotos), soon also by Metal. More than 100.000 produced during WW1. Text in other languages (may differ)
Dimensions (WHD) incl. pins / tip	55 x 118 x mm / 2.17 x 4.65 x inch
Literature	Saga of the Vacuumtube, Tyne British Radio Valves - The Vintage Years, Thrower

TM: H.S.
Hermann Scharfetter

TM: KoBi
Konrad Birkner

TM: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector

Usage in Models	3= 1916? ; 1= 1916 ; 1= 1917 ; 2= 1920 ; 3= 1921 ; 2= 1922? ; 20= 1922 ; 1= 1923?? ; 49= 1923 ; 1= 1924?? ; 13= 1924 ; 2= 1925?? ; 3= 1925
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 101

Documents about this component

Replica Tubes self made for TM and RE11 etc.

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