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Microvolter 10B

Microvolter 10B; Ferris Instrument Co (ID = 1095853) Equipment Microvolter 10B; Ferris Instrument Co (ID = 1095857) Equipment
Microvolter 10B; Ferris Instrument Co (ID = 1095862) Equipment Microvolter 10B; Ferris Instrument Co (ID = 1095878) Equipment
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Microvolter 10B; Ferris Instrument Co (ID = 1095853) Equipment
Ferris Instrument Co: Microvolter 10B [Equipment] ID = 1095853 933x773
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For model Microvolter 10B, Ferris Instrument Co.; Boonton, (NJ):
Ferris Model 10B Microvoltmeter, front view.
Country:  United States of America (USA)
Manufacturer / Brand:  Ferris Instrument Co.; Boonton, (NJ)
Year: 1935 ?? Category: Service- or Lab Equipment
Valves / Tubes 4: 56 56 56 80
Main principle Transmitter
Wave bands Wave Bands given in the notes.
Power type and voltage Alternating Current supply (AC) / 115 Volt
Loudspeaker - - No sound reproduction output.
Power out
from Model: Microvolter 10B - Ferris Instrument Co.; Boonton
Material Metal case
Shape Boatanchor (heavy military or commercial set).
Dimensions (WHD) 14 x 10 x 8 inch / 356 x 254 x 203 mm
Notes This is a RF generator test-bench unit. The unit has a 0 to 10 microvolt vernier control with five (X1, X10, X100, X1k, X10K) switch selectable voltage ranges. There is a very fine-tune-able vernier RF control with five switch-selectable RF bands (A, B, C, D, E) with unspecified RF frequency within those bands. An interesting note is that the actual oscillator unit within the Microvolter is a drop-in unit manufactured outside of Ferris by Foote-Pierson company.
Net weight (2.2 lb = 1 kg) 16 lb (16 lb 0 oz) / 7.264 kg
Source of data - - Data from my own collection

Model page created by Hank Kaczmarski. See "Data change" for further contributors.

All listed radios etc. from Ferris Instrument Co.; Boonton, (NJ)
Here you find 5 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.