NC-100; National Company; (ID = 741606) Amateur-R
NC-100; National Company; (ID = 463683) Amateur-R NC-100; National Company; (ID = 463687) Amateur-R
NC-100; National Company; (ID = 356987) Amateur-R NC-100; National Company; (ID = 1707205) Amateur-R
NC-100; National Company; (ID = 1707562) Amateur-R
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NC-100; National Company; (ID = 463683) Amateur-R
National Company;: NC-100 [Amateur-R] ID = 463683 700x397
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For model NC-100, National Company; Cambridge & Malden (MA):
NC100 Exterior
Country:  United States of America (USA)
Manufacturer / Brand:  National Company; Cambridge & Malden (MA)
alternative name
National Toy Co.
Year: 1936–1938 ? Category: Amateur-Receiver (amateur bands, may include broadcast bands)
Valves / Tubes 12: 6K7 6J7 6K7 6K7 6K7 6C5 6J7 6J7 6E5 6F6 6F6 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 Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 8 inch = 20.3 cm
Power out 10 W (unknown quality)
from Model: NC-100 - National Company; Cambridge &
Material Metal case
Shape Tablemodel, with any shape - general.

coverage 540 kHz - 30 MHz, AM, CW (BFO);
micrometer dial, switchable coil sets, tuning eye;
comes with 8" speaker with chassis but no cabinet, optional RRA rack mounting brackets, optional DCS matching speaker cabinet.

Price in first year of sale 175.00 $
External source of data Ernst Erb
Source of data Communications Receivers
Circuit diagram reference Rider's Perpetual, Volume 8 = 1937 and before
Mentioned in Shortwave Receivers - Past & Present (3rd ed.)
Literature/Schematics (1) Short Wave Craft Sept. 1936 pgs. 278, 302-305
Literature/Schematics (3) Le Guide du Collectionneur TSF Biraud/Foster, Vol. I (page 238)

All listed radios etc. from National Company; Cambridge & Malden (MA)
Here you find 430 models, 275 with images and 163 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.


Forum contributions about this model
National Company;: NC-100
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national: NC-100 (NC100);
Bryce Ringwood

Additional Notes for NC100 that may be of interest:

The model was available with an optional crystal filter. Bandswitching was performed using a moving "catacomb" containing the band coils.  There was also an amateur-band only version of this receiver, the NC101X

National Company;: NC-100
End of forum contributions about this model