General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

SLATE BOARD WITH METAL & GLASS METERS, SWITCHES ARE COPPER WITH WOOD

Dimensions

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

Length

81.3 cm

Width

50.9 cm

Height

9.5 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Energy-electric

Category

Transmission & distribution

Sub-Category

N/A

Manufacturer

AKA

NORTHWESTERN

Country

United States of America

State/Province

Illinois

City

Chicago

Context

Country

Canada

State/Province

Quebec

Period

Unknown

Canada

USED DURING THE EARLIEST PERIOD OF DISTRIBUTION OF ELECTRICITY IN CANADA

Function

TO ALLOW ELECTRICAL CURRENT TO BE SWITCHED FROM ONE PATH TO ANOTHER, & TO ENABLE THE CURRENT & VOLTAGE TO BE MONITORED BEFORE, AFTER & DURING THE SWITCHING PROCESS

Technical

MAY HAVE INSPIRED THE LATER PRODUCTION OF MASSIVE PANEL CONTROL BOARDS THAT WERE PLACED IN VAST HYDRO-ELECTRIC POWER PLANTS FROM 1900

Area Notes

Unknown

Details

Markings

PLATE 'CONVERTER/ PANEL/ SPEC. NO. 401A/ NORTHWESTERN/ ELECTRIC CO./ CHICAGO, U.S.A.'/ RAISED MKGS ON AMP METER 'AMPERES/ NORTHWESTERN/ ELECTRIC CO./ CHICAGO, U.S.A.' & GRADUATED SCALE NUMBERED '0 20 40 60 80 100'/ VOLT METER FACE 'ALTERNATING CURRENT/ VOLTS/ PATTERN NO.75 SERIAL NO. 5462/ JEWEL ELECTRICAL INSTRUMENT CO.' & GRADUATED SCALE NUMBERED '0 30 60 90 120 150'/ ON HANDLES OF 2 POLE SWITCHES 'TRUM [ENCIRCLED 'T'] BULL/ 60 AMP 125 VOLT'/ 1 3-POLE SWITCH 'TRUM [ENCIRCLED 'T'] BULL/ 100 AMP. 125 VOLT'/ OTHER 3 POLE SWITCH '60A ['T/V' IN A TRIANGLE] 250V. D.C./ 500V. A.C.'

Missing

POSSIBLY MISSING A TERMINAL PLATE BETWEEN LOWER 60A SWITCH & TERMINAL CONTACT

Finish

BASE BOARD IS BLACK, SWITCHES & TERMINALS COPPER COLOUR WITH BLACK HANDLES AMP METER BLACK AROUND SIDES, WHITISH GREY ON FACE, VOLT METERIS GREY COLOUR WITH WHITE, FACE VISIBLE UNDER CLEAR GLASS COVER, BLACK MKGS

Decoration

N/A