General Information

Serial #

R3818 5A

Part Number

1

Total Parts

3

AKA

N/A

Patents

N/A

General Description

CABINET: STEEL/ BULB: GLASS WITH LIQUID MERCURY INSIDE/ PAPER NOTICES ON CABINET EXTERIOR

Dimensions

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

Length

104.0 cm

Width

102.0 cm

Height

108.6 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Energy-electric

Category

Regulation & transformation

Sub-Category

N/A

Manufacturer

AKA

LANCASHIRE

Country

England

State/Province

Unknown

City

Oxted

Context

Country

Canada

State/Province

Ontario

Period

C.1958-1975

Canada

TYPE SAMPLE OF APPARATUS THAT WAS USED AT A UNIVERSITY IN ENGINEERING STUDIES

Function

USED TO PREVENT AC CURRENT FROM REVERSING ITS DIRECTION, THUS CONVERTING AC TO DC CURRENT

Technical

EXTENSIVE USE WAS MADE OF MERCURY ARC RECTIFIERS IN SUBSTATIONS THROUGHOUT CANADA FROM 1920 TO MID 1960. IT HAS HIGHER RELIABILITY & EASE OF MAINTENANCE THAN MECHANICAL RECTIFIERS AS WELL AS BEING SIMPLER TO OPERATE. IT WAS REPLACED BY THE SILICON RECTIFIER IN THE 1960'S. [REF.2]

Area Notes

Unknown

Details

Markings

PLATES ON FRONT: 'BEPCO CANADA LIMITED/ MERCURY ARC RECTIFIERS/ LANCASHIRE DYNAMO NEVELIN LTD./ OXTED ENGLAND/ SERIAL NO. R38195A TYPE RATING CONT/ INPUT 208 V. 3 PH. 60 CY K.V.A./ OUTPUT 5 K.W. 230 V. 21.8A./ CSA APPROVAL NO. 9725'/ 'CARLETON UNIVERSITY/ FACULTY OF ENGINEERING/ INV-NO EM-35/ SERIAL NO. R38185A'/ [AMP & VOLT METERS:] 'BEPCO CANADA LTD./ MADE IN ENGLAND'/ HANDMADE DIAGRAMS AFFIXED TO FRONT TITLED: 'CONTROL LINING ARRANGEMENTS' 'MERCURY-ARC RECTIFIER'/ ON BULB: 'Nevelin/ OXTED/ ENGLAND/ 202030927/ 76116'

Missing

APPEARS COMPLETE

Finish

PAINTED LIGHT GREEN/ BLACK CASINGS AROUND METER DIALS/ ORANGE VIEW WINDOW ON FRONT

Decoration

N/A