Test set, transmission

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Ingenium, 1976.0553.001
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OBJECT TYPE: WHEATSTONE BRIDGE
DATE: 1930
ARTIFACT NUMBER: 1976.0553.001

MANUFACTURER: TELEGRAPH WORKS CO. LTD.
MODEL: SILVERTOWN PATENT PORTABLE TESTING SET
LOCATION: London, England

More Information

General Information

Serial #: 1984
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: WOODEN CASE WITH BRASS HARDWARE/ BAKELITE PANEL WITH BRASS FITTINGS & SYNTHETIC KNOBS/ GLASS & METAL METER/ VELVET LINED LID

Dimensions

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

Length: 20.3 cm
Width: 20.3 cm
Height: 13.9 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Telephony
Sub-Category: N/A

Manufacturer

AKA: TELEGRAPH
Country: England
State/Province: Unknown
City: London

Context

Country: Worldwide
State/Province: Unknown
Period: 1930 THROUGH 1950
Canada: USED IN CANADA
Function: USED TO MEASURE CABLE PAIR CONDUCTOR RESISTANCE AND INSULATION LEAKAGE.
Technical: ONE OF MANY SIMILAR BRIDGES USED FOR CABLE MEASUREMENT IN THE 1930'S.
Area Notes: Unknown

Details

Markings: RESISTANCE VALUES ENGRAVED ON BRASS TERMINALS/ CONNECTIN INFORMATION ENGRAVED ON TOP PANEL/ ON PANEL: 'TELEGRAPH WORKS./ SILVERTOWN LONDON.'
Missing: N/A
Finish: STAINED AND LACQUERED WOOD CASE/ LACQUERED BRASS/ BLACK TOP PANEL & KNOBS/ PURPLE LINING IN LID
Decoration: NIL

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

TELEGRAPH WORKS CO. LTD., Test set, transmission, circa 1930, Artifact no. 1976.0553, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1976.0553.001/

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