Help to identify this transformer (Algemeen)

door gertjanrhe , Gooi, 30.03.2020, 20:42 (1699 dagen geleden) @ edison

turn ratios between the several connections can be calculated by putting an AC voltage (e.g. 6.3V of a filement winding) to one of the high ohmic coils. Simple measure the voltage over the other connections. The ratio is the ratio of in- (6.3V) and output-voltages.

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De techniek was in de jaren 40 veel verder dan menigeen zich bewust is