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Direct Reading Wave-Meter Type 174

Direct Reading Wave-Meter Type 174; General Radio (ID = 2431818) Equipment
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Direct Reading Wave-Meter Type 174; General Radio (ID = 2431818) Equipment
General Radio: Direct Reading Wave-Meter Type 174 [Equipment] ID = 2431818 1400x1412
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For model Direct Reading Wave-Meter Type 174, General Radio Company; Cambridge (MA):
Atlantic Radio Co. Bulletin 14 (1919)
 
Country:  United States of America (USA)
Manufacturer / Brand:  General Radio Company; Cambridge (MA)
alternative name
 
GenRad
Year: 1919 ? Category: Service- or Lab Equipment
Main principle Crystal or Solid State Detector
Tuned circuits 1 AM circuit(s)
Wave bands Broadcast (MW) and Long Wave.
Details
Power type and voltage Storage and/or dry batteries
Loudspeaker - - No sound reproduction output.
Power out
from Radiomuseum.org Model: Direct Reading Wave-Meter Type 174 - General Radio Company;
Material Wooden case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Notes

Wave meter (closed oscillatory circuit type) with 3 ranges, covering 130m to 3000m. Indication by crystal detector and hot-wire ammeter, readout by three scales calibrated in wavelengths on variable condenser.

Includes buzzer for operation as generator of damped oscillations.

 

Price in first year of sale 68.00 $
Mentioned in Atlantic Radio Co. Bulletin 14 (1919)

Model page created by Nikolaus Löwe. See "Data change" for further contributors.



All listed radios etc. from General Radio Company; Cambridge (MA)
Here you find 201 models, 186 with images and 75 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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