77 Ch= 231 T

ID = 38113

Country: United States of America (USA)	Manufacturer/Brand: Erla = Electrical Research Labs; Chicago
Year: 1930	Type: Radio or Tuner
Valves / Tubes	7: 32 32 32 30 30 71A 71A

Principle	TRF Tuned-radio-frequency (straight) general; Screengrid 1926-1935
Tuned circuits	4 AM circuit(s);
Wave bands	Broadcast only (MW).
Power type and voltage	Line / Batteries (any type) / 135 DC; 32 Batt. Volt
Loudspeaker/pwr.out	Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
from Radiomuseum.org	Model: 77 Ch= 231 [T]
Shape	Tablemodel, with any shape - general.
Notes	Farm radio; one dial (primary tuning control knob); 4-gang condenser; push-pull af output stage.