Test set, vacuum tube
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1980.0383.001
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- OBJECT TYPE
- WHEATSTONE BRIDGE/LAB
- DATE
- 1950
- ARTIFACT NUMBER
- 1980.0383.001
- MANUFACTURER
- General Radio Co.
- MODEL
- 561D
- LOCATION
- Cambridge, Massachusetts, United States of America
More Information
General Information
- Serial #
- 402
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- WOOD CABINET/ 1/4 IN. ALUMINUM TOP PANEL/ METAL JACKS/ SYNTHETIC KNOBS, CONNECTORS & CABLES/ METAL & SYNTHETIC WORKING PARTS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 46.5 cm
- Width
- 40.0 cm
- Height
- 25.6 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Service-test equipment
- 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
- 1953 TO 1975
- Canada
-
USED IN CANADA - Function
-
MEASURES THE DYNAMIC COEFFICIENTS OF A WIDE RANGE OF VACUUM TUBES UNDER A WIDE VARIETY OF OPERATING CONDITIONS. - Technical
-
AN INTERESTING APPLICATION OF THE WHEATSTONE BRIDGE PRINCIPLE - Area Notes
-
Unknown
Details
- Markings
- TOP PANEL: 'VACUUM-TUBE BRIDGE/ TYPE 561-D SERIAL NO. 402/ GENERAL RADIO CO./ CAMBRIDGE MASS. U.S.A./ PLATE RESISTANCE-OHMS-MULTIPLY BY 10-2/ MUTUAL CONDUCTANCE-MICROMHOS-MULTIPLY BY 10-2/ AMPLIFICATION FACTOR- ETC.]
- Missing
- N/A
- Finish
- CABINET VARNISHED/ TOP PANEL BLACK ENAMEL SIMULATED LEATHER/ BLACK KNOBS &CABLES/ WHITE PRINTING
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
General Radio Co., Test set, vacuum tube, circa 1950, Artifact no. 1980.0383, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1980.0383.001/
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