CANADIAN MARCONI HOME ENTERTAINMENT -  THERM-I-ONIC SERIES
In the world  of Canadian Marconi,  Therm-i-onic- refers to an electronic reproduction phonograph. Several radios were marketed under this moniker.
9 TUBE MODEL
/thermonic_s.jpg Model 17

9 tube TRF set.
Frequency range: Broadcast band only. 
Vintage:  1929

This is the ad for the 9 tube Thermonic radio as it appeared in MacLeans Magazine on November 15, 1929. Click on thumbnail to enlarge' (Courtesy MacLeans Magazine)
The Model 13 us also part of the Therm-i-onic series.
 
Contributors or References:

1) https://www.radiomuseum.org/r/canadia_ma_thermo_i_onic.html
2) Lewis Bodkin <05bodkin555(at)gmail.com>
 

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May 7/19