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NC-100A; National Company; (ID = 22759) Amateur-R
NC-100A; National Company; (ID = 22760) Amateur-R
NC-100A; National Company; (ID = 689737) Amateur-R
NC-100A; National Company; (ID = 2051495) Amateur-R
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NC-100A; National Company; (ID = 2051495) Amateur-R
National Company;: NC-100A [Amateur-R] ID = 2051495 1400x1000
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For model NC-100A, National Company; Cambridge & Malden (MA):
1941 National Catalog
Country:  United States of America (USA)
Manufacturer / Brand:  National Company; Cambridge & Malden (MA)
alternative name
National Toy Co.
Year: 1938–1945 ? Category: Amateur-Receiver (amateur bands, may include broadcast bands)
Valves / Tubes 11: 6K7 6J7 6J7 6K7 6K7 6C8G 6F8G 6J7 6F6G 6F6G 80
Main principle Superhet with RF-stage; ZF/IF 456 kHz
Wave bands Broadcast plus more than 2 Short Wave bands.
Power type and voltage Alternating Current supply (AC) / 115 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm
Power out 10 W (unknown quality)
from Model: NC-100A - National Company; Cambridge &
Material Metal case
Shape Tablemodel, with any shape - general.
Price in first year of sale 200.00 $
External source of data E. Erb 3-907007-36-0
Source of data Communications Receivers
Circuit diagram reference Die «Thali Schemasammlung» führt das Modell.
Mentioned in Shortwave Receivers - Past & Present (3rd ed.)

All listed radios etc. from National Company; Cambridge & Malden (MA)
Here you find 430 models, 275 with images and 162 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.