Frequency range: 300 to 1,650 meters
 
Vintage: 1917
Made by: American Marconi
Comment This radio was converted to a Model 107A by substituting a carborundum crystal in the Fleming valve socket plus an  extension of the low frequency range,

Fleming valve detector - front view , (Radiomuseum.org)

Fleming Valve Tuner/Detector - rear  view (Via Radiomuseum.org)

Credits and References:

1) https://www.radiomuseum.org/r/marconiusa_fleming_valve_receiver.html
2) Lewis Bodkin     05bodkin555(at)gmail.com
3) Practical Wireless
 
 

Back to Equipment Listings

Feb  2/21