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Aeronautical Ground Station AGS

Aeronautical Ground Station AGS; National Company; (ID = 680716) Commercial Re
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Aeronautical Ground Station AGS; National Company; (ID = 680716) Commercial Re
National Company;: Aeronautical Ground Station AGS [Commercial Re] ID = 680716 933x783
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For model Aeronautical Ground Station AGS, National Company; Cambridge & Malden (MA):
Lafayette catalog 1933
Country:  United States of America (USA)
Manufacturer / Brand:  National Company; Cambridge & Malden (MA)
alternative name
National Toy Co.
Year: 1932 Category: Commercial Receiver (may include amateur bands)
Valves / Tubes 9: 236 236 236 236 237 237 237 237 238
Main principle Superheterodyne (common); ZF/IF 500 kHz
Tuned circuits 3 AM circuit(s)
Wave bands Short Wave (SW only)
Power type and voltage Alternating Current supply (AC) / 6 / 170 Volt
Loudspeaker - For headphones or amp.
Power out
from Model: Aeronautical Ground Station AGS - National Company; Cambridge &
Material Metal case
Shape Rack
Notes coverage 2400 - 20000 kHz, plug-in coils, National round "N" dial;
AM / CW(with BFO), MVC/AVC;
developed as "Aeronautical Ground Station" for aircraft communications;
matching power supply 5886AB, matching rack power supply GRDPU for one AGS and one 58C set,
matching rack permanent dynamic speaker RFS, matching coil rack panel CRP (receptacle for 12 coils not in use)
External source of data Ernst Erb
Source of data Communications Receivers
Circuit diagram reference Rider's Perpetual, Volume 3 = 1933 and before

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.