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7-70

ID = 34549

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Bremer-Tully Mfg. Co: 7-70 [Radio] ID = 1201309 640x480

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For model 7-70, Bremer-Tully Mfg. Co.; Chicago (IL):
Closest Chassis is the model 7-70. This is as found before restoration. No speaker was found.

Country:

Manufacturer / Brand:

Brand

Counterphase

Year: 1928

Category: Broadcast Receiver - or past WW2 Tuner

Valves / Tubes

8: 26 26 26 27 27 171A 171A 80

Main principle	TRF (Tuned-Radio-Frequency but use of regeneration unknown)
Details
Power type and voltage	Alternating Current supply (AC)
Loudspeaker
Power out
from Radiomuseum.org	Model: 7-70 - Bremer-Tully Mfg. Co.; Chicago
Shape	Tablemodel, with any shape - general.
Notes	One dial (primary tuning control knob)
Price in first year of sale	150.00 $
Collectors' prices
External source of data	Ernst Erb
Source of data	Radio Collector`s Guide 1921-1932
Circuit diagram reference	Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
Mentioned in	Collector's Guide to Antique Radios 4. Edition

All listed radios etc. from Bremer-Tully Mfg. Co.; Chicago (IL)
Here you find 46 models, 14 with images and 18 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.