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Audion Panel Type D

Country:  United States of America (USA)
Manufacturer / Brand:  P & M Radio Company; Niles, OH
Year: 1921 Category: Radio module pre 1926 (not a part, not a key)
Valves / Tubes 1: VT-Class-I or B_Moorhead-Shaw or UV200
Main principle Detector with Vacuum Tube (Valve), no tuner
Wave bands - without
Power type and voltage Storage and/or dry batteries
Loudspeaker - Is a Headphone or Earphone
Power out
from Model: Audion Panel Type D - P & M Radio Company; Niles, OH
Material TUBES VISIBLE, material not known.
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 6 x 7.25 x 0 inch / 152 x 184 x 0 mm
Notes The P & M Radio Company Type D Audion Control Panel.
Price in first year of sale 12.00 $
Literature/Schematics (1) February 1921 QST magazine advertisement page 100

Model page created by Alan Larsen. See "Data change" for further contributors.

All listed radios etc. from P & M Radio Company; Niles, OH
Here you find 5 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.