Voltmeter

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Ingenium, 1978.0321.001
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OBJECT TYPE: FREQUENCY SELECTIVE
DATE: 1950
ARTIFACT NUMBER: 1978.0321.001

MANUFACTURER: SIERRA ELECTRONIC CORP.
MODEL: 125A
LOCATION: Menlo Park, California, United States of America

More Information

General Information

Serial #: 812
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: METAL/ PLASTIC/ RUBBER

Dimensions

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

Length: 43.3 cm
Width: 35.8 cm
Height: 25.1 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: SIERRA
Country: United States of America
State/Province: California
City: Menlo Park

Context

Country: Unknown
State/Province: Unknown
Period: Unknown
Canada: USED BY THE CANADIAN OVERSEAS TELECOMMUNICATIONS CORPORATION.
Function: INSTRUMENT FOR MEASURING THE POTENTIAL DIFFERENCE BETWEEN 2 POINTS IN AN ELECTRICAL CIRCUIT
Technical: Unknown
Area Notes: Unknown

Details

Markings: FRONT: 'FREQUENCY SELECTIVE VOLTMETER MODEL 125A/ SIERRE ELECTRONIC CORPORATION. MENLO PARK, CALIFORNIA. USA'/ BACK PLATE: 'SIERRA ELECTRONIC CORP./ DIVISION OF PHILCO CORP./ MENLOPARK, CALIFORNIA/ MODEL 125A SERIAL 812'/ LABEL AFFIXED TO RIGHT OF PLATE: UNION MADE/ AFFILIATED WITH AMERICAN FEDERATION OF LABOR/ INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS'/ A FIST SYMBOL/ REG. US PAT. OFF. C1840213'/ 2 STICKERS AFFIXED TO FRONT: 'CAL CHECK/ DATE JULY 27/70/ BY SP.' & 'LISTED/ REDUNDANT'
Missing: N/A
Finish: GREY FACE WITH GREEN KNOBS & ACCENTS/ GREEN PAINTED CASING
Decoration: N/A

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

SIERRA ELECTRONIC CORP., Voltmeter, circa 1950, Artifact no. 1978.0321, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1978.0321.001/

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