Tresco Detector-Amplifier Cat.No.33

ID = 106335

Country: United States of America (USA)	Manufacturer/Brand: Tri-City Radio Supply Co.
Year: 1921	Type: Wireless modul post 1920 (not a component)
Valves / Tubes	4:

Principle	Crystal reception with amplification
Wave bands	- without
Power type and voltage	Batteries (storage and/or dry)
Loudspeaker/pwr.out	- For headphones or amp.
from Radiomuseum.org	Model: Tresco Detector-Amplifier [Cat.No.33]
Material	Wooden case
Shape	Tablemodel, Box - most often with Lid (NOT slant panel).
Notes	Together with Tuner and Transmitter Part of the "University 1 KW" station. 3-Step Amplifier.

This model was suggested by Konrad Birkner.

All listed radios etc. from Tri-City Radio Supply Co.
Here you find 41 models, 3 with images and 0 with schematics.