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Liberty Headphones 53-W

Liberty Headphones 53-W; Federal Radio Corp. (ID = 1402656) Speaker-P Liberty Headphones 53-W; Federal Radio Corp. (ID = 1402657) Speaker-P
Liberty Headphones 53-W; Federal Radio Corp. (ID = 1880700) Speaker-P Liberty Headphones 53-W; Federal Radio Corp. (ID = 1880701) Speaker-P
Liberty Headphones 53-W; Federal Radio Corp. (ID = 1880702) Speaker-P Liberty Headphones 53-W; Federal Radio Corp. (ID = 2609983) Speaker-P
Liberty Headphones 53-W; Federal Radio Corp. (ID = 2609984) Speaker-P
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Liberty Headphones 53-W; Federal Radio Corp. (ID = 1402656) Speaker-P
Federal Radio Corp.: Liberty Headphones 53-W [Speaker-P] ID = 1402656 933x700
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For model Liberty Headphones 53-W, Federal Radio Corp. / Federal Telephone & Telegraph Co.; Buffalo, NY:
USA, Federal Telephone and Telegraph, Co, Liberty Headphones 53-W, Ear cups brilliant side up.
 
Country:  United States of America (USA)
Manufacturer / Brand:  Federal Radio Corp. / Federal Telephone & Telegraph Co.; Buffalo, NY
alternative name
 
Federal Recorder || Federal Tel. & Radio || Federal T&T
Brand
Orthosonic / Ortho-Sonic
Year: 1921 Category: Loudspeaker, headphone or earphone
Wave bands - without
Details
Power type and voltage No Power needed
Loudspeaker - Is a Headphone or Earphone
Power out
from Radiomuseum.org Model: Liberty Headphones 53-W - Federal Radio Corp. / Federal
Notes

Type 53-W has 2200 Ohms. The 52-W has 3200 Ohms, price 10.50 $.

Net weight (2.2 lb = 1 kg) 2 lb 0 oz (2 lb) / 0.908 kg
Price in first year of sale 8.00 $
Mentioned in William B.Duck Catalog No.16, 3rd Ed.

Model page created by Randall Stuefen. See "Data change" for further contributors.



All listed radios etc. from Federal Radio Corp. / Federal Telephone & Telegraph Co.; Buffalo, NY
Here you find 202 models, 89 with images and 129 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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