Auto-transformateur N40 (N 40)

ID = 126823

Ducretet -Thomson; : Auto-transformateur N40 [Modul] ID = 424757 351x463

Country: France	Manufacturer/Brand: Ducretet (-Thomson); Paris
Year: 1925 ?	Type: Wireless modul post 1920 (not a component)

Principle	not available
Wave bands	Wave Bands given in the notes.
Loudspeaker/pwr.out	- For headphones or amp.
from Radiomuseum.org	Model: Auto-transformateur N40
Material	Various materials
Notes	Auto-transformateur N 40 (200-525 meters).

This model was suggested by John Koster.

All listed radios etc. from Ducretet (-Thomson); Paris
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