740 DC

ID = 154247

Country: United States of America (USA)	Manufacturer/Brand: Silver - Marshall Manufacturing Co.; (where?)
Year: 1929 ?	Type: Radio or Tuner
Valves / Tubes	4:

Principle	TRF with reaction (regenerative); Screengrid 1926-1935
Wave bands	n/a no information
Power type and voltage	Batteries (storage and/or dry) / ? & 45 & 135 & 180 & -3 & ? Volt
from Radiomuseum.org	Model: 740 DC

This model was suggested by Hans-Joachim Korn.