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BT-57 ; Farnsworth (ID = 339777) Radio
BT-57 ; Farnsworth (ID = 1034658) Radio BT-57 ; Farnsworth (ID = 1034659) Radio
BT-57 ; Farnsworth (ID = 1300012) Radio
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BT-57 ; Farnsworth (ID = 1034658) Radio
Farnsworth: BT-57 [Radio] ID = 1034658 700x618
Select picture or schematic to display from thumbnails on the right and click for download.
For model BT-57, Farnsworth Television & Radio Corp. - see also Capehart:
Scanned from the Radio Retailing January 1941.
Country:  United States of America (USA)
Manufacturer / Brand:  Farnsworth Television & Radio Corp. - see also Capehart
Year: 1940/1941 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 1A7GT 1P5GT 1N5GT 1H5GT 1Q5GT
Main principle Superheterodyne (common); ZF/IF 455 kHz
Wave bands Broadcast and Short Wave (SW).
Power type and voltage Storage and/or dry batteries
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
Power out
from Model: BT-57 - Farnsworth Television & Radio
Material Wooden case
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 17.5 x 14.5 x 7.5 inch / 445 x 368 x 191 mm
Price in first year of sale 26.95 $
External source of data Ernst Erb
Source of data Collector's Guide to Antique Radios 4. Edition
Circuit diagram reference Rider's Perpetual, Volume 12 = ca. 1941 and before
Mentioned in The Radio Collector's Directory and Price Guide 1921 - 1965
Literature/Schematics (1) Radio Retailing (Radio & Television R.) (January 1941.)

All listed radios etc. from Farnsworth Television & Radio Corp. - see also Capehart
Here you find 392 models, 276 with images and 321 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.