Test set, radio frequency

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OBJECT TYPE
VACUUM TUBE/VOLTMETER
DATE
1944
ARTIFACT NUMBER
1968.0532.001
MANUFACTURER
General Radio Co.
MODEL
726A
LOCATION
Cambridge, Massachusetts, United States of America

More Information


General Information

Serial #
3790
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
WOODEN CABINET/ ALUMINUM PANEL/ METAL, SYNTHETIC, & GLASS WORKING PARTS/ METAL & SYNTHETIC KNOBS

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
35.5 cm
Width
20.0 cm
Height
24.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Radio
Sub-Category
N/A

Manufacturer

AKA
General Radio
Country
United States of America
State/Province
Massachusetts
City
Cambridge

Context

Country
North America
State/Province
Unknown
Period
1944-1960
Canada
Unknown
Function
USED TO MEASURE RADIO FREQUENCY VOLTAGE ACCURATELY UP TO 500MHz WITH PROBE AND TO 380 MHz DIRECTLY CONNECTED. METER CALIBRATED IN R.M.S.
Technical
CIRCUITRY IN THIS LAB INSTRUMENT FOUND ITS WAY TO GENERAL RADIO SERVICE INSTRUMENTS BY 1955-1960
Area Notes
Unknown

Details

Markings
ON PANEL: 'VACUUM-TUBE VOLTMETER/TYPE 726-A SERIAL NO. 3790/ GENERALRADIO CO./ CAMBRIDGE MASS. U.S.A.'/ AROUND CONTROLS: 'HIGH/ LOW/ GND./ RANGE/ ZERO ADJ/ ON/ OFF'/ PLATE ON PANEL: '100-130 VOLTS/ 60 ~'/ ON METER: 'WESTON ELECTRICAL INSTRUMENT CORP, NEWARK, N.J. U.S.A./ VOLTS/ R.M.S. OF SINE WAVE OR/0.707 OF PEAK OF COMPLEX WAVE/ [CALIBRATED FROM.2 TO 150']
Missing
POWER CORD
Finish
CASE: LOW GLOSS MAHOGANY FINISH; SIMULATED BLACK LEATHER ENAMEL ON PANEL/ BLACK KNOBS & METER CASE/ WHITE PRINTING ON PANEL & BLACK PRINTING ON METER
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

General Radio Co., Test set, radio frequency, circa 1944, Artifact no. 1968.0532, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1968.0532.001/

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