Antique radios, Old Time Radios

W20_Ballast

Country:	Netherlands	Brand:	Radio-Record - Röhrenmarke; Holland
		Tube type:	Current Regulator, Iron in Hydrogen
			Ca. 1925 up to 1945 rare.

Tube ID = 20356

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Identical to	W20_Ballast
Similar Tubes	Normally replaceable-slightly different: 452; R105

Base	Europe 3-Pin (B3, H)
Filament
Description	I quer 1 System/A = 0.15 Umax V = 20 Auch von Philips und Tungsram erhältlich. Text in other languages (may differ)
Dimensions (WHD) incl. pins / tip	45 x 98 x 32 mm / 1.77 x 3.86 x 1.26 inch
Weight	34 g / 1.20 oz
Literature	Ballast tube Handbook, The; Jacobi 1991 - - Manufacturers Literature

W20_Ballast: Sammlung
Ingo Moll

W20_Ballast: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

W20_Ballast: own collection
Peter den Boer

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