AM circuit(s)
Wave bands
Broadcast and Short Wave (SW).
Power type and voltage
Other, details in remarks or not known.
Loudspeaker
- For headphones or amp.
Material
TUBES VISIBLE, material not known.
from Radiomuseum.org
Model: Multi-Unit - Walker, George W. Co.
Shape
Tablemodel, with any shape - general.
Dimensions (WHD)
5 x 2.5 x 7 inch / 127 x 64 x 178 mm
Notes
Wave range 15 to 550 meters. Can act as a short wave receiver, short wave adapter for a BC receiver, Screen grid pre-amp, RF booster, RF oscillator, crystal receiver, wave meter, or wave trap.
Net weight (2.2 lb = 1 kg)
1 kg / 2 lb 3.2 oz (2.203 lb)
Price in first year of sale
16.00 $
Mentioned in
Radio Manufacturers of the 1920's, Vol. 3 (Radio News, Dec.1929, p.557)
The above details are from RADIOMUSEUM.COM . This is like a brand new item in original box. You receive everything in the pictures. Flat rate shipping in USA $9