General Information

Serial #

743898

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

WOODEN CASE; SYNTHETIC PANELS AND KNOBS; METAL KNOBS; LEATHER HANDLE

Dimensions

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

Length

56.0 cm

Width

35.0 cm

Height

14.5 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

Canada

State/Province

Ontario

Period

PROBABLY USED IN THE 1940S AND 1950S

Canada

TYPE SAMPLE OF DEVICE USED BY THE STANDARDS DIVISION

Function

USED TO TEST CURRENT TRANSFORMERS, EITHER IN SERVICE OR IN THE LABORATORY.

Technical

MAY BE USED TO TEST CURRENT TRANSFORMERS IN A LABORATORY SETTING OR ON A LARGE NUMBER OF TRANSFORMERS INSTALLED IN A GENERATING STATION OR SUB-STATION.

Area Notes

Unknown

Details

Markings

PLATE ON LID: 'DOMINION OF CANADA/ DEPT. OF TRADE AND COMMERCE/ STANDARDS DIVISION/ INSPECTION STANDARD NO. L55'/ PRINTED ON PANELS: 'MINUTES/ 60 CYCLES/ MINUTES/ 25 CYCLES/ [3 SCALES]''L&N [LOGO]/ LEEDS & NORTHRUP CO./ PHILADELPHIA/ 743898/ MADE IN U.S.A./ PATENTED/ AMM/ PH SHIFTER/ STD TEST/ PER CENT RATIO/ CHECK AMMETER TEST'/ LABELS AFFIXED TO PANEL: 'PH. SHIFTER/ CAUTION - 25 CYCLES/ USE LESS THAN 55 VOLTS/ OPERATING CURRENT/ 0.3 AMPS. APPROX.''DO NOT REMOVE/.../Holding Unit/ 205B/ E.D.R./ 64171'

Missing

APPEARS COMPLETE

Finish

WOODEN BOX STAINED AND VARNISHED; BLACK SYNTHETIC; BROWN LEATHERHANDLE

Decoration

N/A