Invisible Tuning Radio

Invisible Tuning Radio ; Kriesler Radio (ID = 2517362) Radio Invisible Tuning Radio ; Kriesler Radio (ID = 2517363) Radio
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Invisible Tuning Radio ; Kriesler Radio (ID = 2517362) Radio
Kriesler Radio: Invisible Tuning Radio [Radio] ID = 2517362 1358x2100
Select picture or schematic to display from thumbnails on the right and click for download.
For model Invisible Tuning Radio, Kriesler Radio Company; Newtown (Sydney):
Wireless Weekly Oct 30, 1931, Page 24. Image sourced & downloaded from Trove – National Library of Australia
Country:  Australia
Manufacturer / Brand:  Kriesler Radio Company; Newtown (Sydney)
Year: 1931 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 235 235 unknown_Tube 247 280
Main principle TRF (Tuned-Radio-Frequency but use of regeneration unknown)
Wave bands Broadcast only (MW).
Power type and voltage Alternating Current supply (AC) / 240 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Model: Invisible Tuning Radio - Kriesler Radio Company;
Material Wooden case
Shape Console, Highboy (legs > 50 %).

Detector valve type is not known.

Price in first year of sale 35.00 AUS £
Mentioned in Wireless Weekly (Australia) (Oct 30, 1931, Page 24)

Model page created by Gary Cowans. See "Data change" for further contributors.

All listed radios etc. from Kriesler Radio Company; Newtown (Sydney)
Here you find 841 models, 332 with images and 327 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.