Test set, resistance

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Ingenium, 1971.0068.001
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OBJECT TYPE: WHEATSTONE BRIDGE/LAB/DECADE
DATE: 1912
ARTIFACT NUMBER: 1971.0068.001

MANUFACTURER: Leeds & Northrup Co.
MODEL: Unknown
LOCATION: Philadelphia, Pennsylvania, United States of America

More Information

General Information

Serial #: 1046950
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: WOODEN CASE & LID/ 3/4 INCH THICK HARD RUBBER TOP PLATE/ BRASS HARDWARE, BARS & PLUGS/ SYNTHETIC KNOBS, ebonite

Dimensions

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

Length: 55.0 cm
Width: 39.0 cm
Height: 25.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Energy-electric
Category: Measurement
Sub-Category: N/A

Manufacturer

AKA: Leeds Northrup
Country: United States of America
State/Province: Pennsylvania
City: Philadelphia

Context

Country: North America
State/Province: Unknown
Period: 1912 TO 1964
Canada: USED FOR RESEARCH BY DEPT. OF NATIONAL DEFENCE IN CANADA
Function: TO PERFORM PRECISE RESISTANCE MEASUREMENTS IN RESEARCH OR IN ACCEPTANCE OF CRITICAL MATERIALS OR COMPONENTS.
Technical: EXAMPLE OF TOP-OF-THE-LINE RESEARCH TEST SET OF THE PERIOD
Area Notes: Unknown

Details

Markings: PRINTED ON PANEL: 'LEEDS & NORTHRUP CO./ PHILADELPHIA/ 1046950/ MADE IN U.S.A.'/ VARIOUS INDICATIONS AROUND POSTS/ DECADE VALVES ENGRAVED ON BARS/ TWO LABELS: 'Do not apply mo[?]/ than 2 watts powe[?]/ across the [?]/ Rheostat [?]'/ 'ONT. HYDRO CAMESA LAB./ NO. 104 Date June 64/ INST. +-0.05% of/ACC'Y Reading/ EXP. DATE: On Request'/ PLATE ON CASE: 'DEPT. OF NAT. DEF./ TORONTO/ H.E.P.C. NO. 104'/ DYNO-TAPE ON FRONT: 'L.N WHEATSTONE BRIDGE'
Missing: N/A
Finish: CASE STAINED & VARNISHED/ SHELLACED BRASS/ DARK GREY TOP PLATE AND ADJUSTMENT PLUG TOPS(DISCOLOURATION DUE TO AGE)/ WHITE PRINTING ON PANEL; BLACK PRINTING ON BRASS BARS
Decoration: N/A

CITE THIS OBJECT

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

Leeds & Northrup Co., Test set, resistance, circa 1912, Artifact no. 1971.0068, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1971.0068.001/

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