General Information

Serial #

2862

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

CAST IRON FRAME AND BASE; STEEL SHAFT; COPPER SPLIT RINGS; POSSIBLY OTHER METAL MATERIALS OF CONSTRUCTION. CARBON BRUSHES. WOOD POLE PIECE AND HANDLE FOR ADJUSTING BRUSHES. COATED FABRIC COVERING ON WIRES, WINDINGS, ETC.

Dimensions

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

Length

110.0 cm

Width

70.0 cm

Height

85.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Energy-electric

Category

Generation

Sub-Category

N/A

Manufacturer

AKA

Thomson Houston

Country

United States of America

State/Province

Massachusetts

City

Lynn

Context

Country

Canada

State/Province

Quebec

Period

THIS TYPE OF GENERATOR PRESUMABLY USED C. 1888+

Canada

THIS GENERATOR WAS DONATED BY THE THOMSON-HOUSTON CO. TO THE ENGINEERING DEPT. OF MCGILL UNIVERSITY. (REF. 1) ONE OF THE MOST POPULAR TYPES OF GENERATOR USED IN CANADA. (REF. 2)

Function

TO CONVERT MECHANICAL INTO ELECTRICAL ENERGY.

Technical

AN EARLY EXAMPLE OF A GENERATOR WITH INCREASED CAPABILITIES AND SIMPLIFIED CONSTRUCTION. THE COMMUTATOR OR SWITCH BRUSH IS COMPOSED OF TWO LAYERS OR PLANES OF CONDUCTING PIECES, EACH CAPABLE OF MAKING INDIVIDUAL CONTACT WITH OTHER BRUSES IN THE SAME PLANE OR IN THE ADJOINING PLANES. THEY COULD ALSO BE INDIVIDUALLY SEPARATED IF WORN-OUT BY USE. (REF. 1)

Area Notes

Unknown

Details

Markings

Mfr's plate reads "THOMSON/ INCANDESCENT DYNAMO/ VOLTS 110 SPEED 1400/ CLASS 15SS NO. 2862/ ADJUSTED FOR 5 PER CT. LOSS/ PATENTED SEPT. 2,'79- OCT. 5,'80/ OCT. 10,'82- JAN. 5,'86- JULY 13,'88/ SEPT. 28,'86./ PATENTS APPLIED FOR/ MANUFACTURED BY/ THOMSON-HOUSTON ELEC. CO./ LYNN, MASS. U.S.A.". Second plate reads "Presented to/ THE MCGILL UNIVERSITY/ BY THE/ Thomson-Houston International Electric Co./Boston/ Mass." Third plate reads "DEPARTMENT/ ELECTRICAL ENGINEERING/ MONTREAL./ MACHINE NO. [blank]/ PRESENTED BY [blank]". "14" stencilled in gold on one pole. Decal reads "THE HYDRO/ HISTORICAL/ ELECTRICAL/ COLLECTION". RED DYMO TAPE LABELS READ "SHUNT" AND "MC.2.12". "D15" CAST IN BASE, AND ON POLE HOUSINGS. "MANUFACTURED BY/ T-H ELEC. CO./ LYNN.MASS.U.S.A." STAMPED INTO WOOD PANEL ON TOP.

Missing

UNKNOWN.

Finish

BLACK ENAMEL FINISH OM MOST EXTERIOR SURFACES. POLES HAVE BEEN LAMINATED, AND PAINTED GREEN. SOME METAL COMPONENTS HAVE NATURAL FINISH.

Decoration

N/A