Test set, radio frequency
Use this image
Can I reuse this image without permission? Yes
Object images on the Ingenium Collection’s portal have the following Creative Commons license:
Copyright Ingenium / CC BY-NC-ND (Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
ATTRIBUTE THIS IMAGE
Ingenium,
1968.0532.001
Permalink:
Ingenium is releasing this image under the Creative Commons licensing framework, and encourages downloading and reuse for non-commercial purposes. Please acknowledge Ingenium and cite the artifact number.
DOWNLOAD IMAGEPURCHASE THIS IMAGE
This image is free for non-commercial use.
For commercial use, please consult our Reproduction Fees and contact us to purchase the image.
- 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://collection.ingeniumcanada.org/en/id/1968.0532.001/
FEEDBACK
Submit a question or comment about this artifact.
More Like This
1968.0532.001
