A

ID = 18916

Country: United States of America (USA)	Manufacturer/Brand: Silver - Marshall Manufacturing Co.; (where?)
Year: 1931	Type: Radio or Tuner
Valves / Tubes	8: 24A 27 35 35 35 27 47 80

Principle	Superhet with RF-stage; IF-Freq. 175 kHz; Screengrid 1926-1935
Tuned circuits	9 AM circuit(s);
Wave bands	Broadcast only (MW).
Power type and voltage	Alternating Current supply (AC)
Loudspeaker/pwr.out	Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
from Radiomuseum.org	Model: A