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