General Information

Serial #

1791

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

CAST IRON BASE, BEARING BLOCKS, POLE PIECES, FIELD CORES, BRIDGE AND BRUSH HOLDER SPIDER. NON- FERRIC POLE PIECE TO BASE SPACER (WHITE METAL OR BRONZE). STEEL SHAFT SUPPORTS LAMINATED STEEL ARMATURE CORE AND COPPER, MICA INSULATED, COMMUTATOR. FIELD & ARMATURE WINDINGS, INSULATED COPPER WIRE. BRONZE BRUSH HOLDERS MOUNTED ON BRONZE POSTS. CARBON BRUSHES. COPPER SWITCH ASSEMBLY AND CONNECTING BLOCKS. MISC. WIRING & HARDWARE. BRONZE BEARINGS. WOODEN INSULATORS AND SPACERS. FIBRE INSULATING WASHERS. BRASS & GLASS OIL LEVEL INDICATORS. BRONZE OIL SUMP PUMP.

Dimensions

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

Length

87.0 cm

Width

43.0 cm

Height

71.0 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

General Electric

Country

Canada

State/Province

Ontario

City

Unknown

Context

Country

Canada

State/Province

Ontario

Period

THIS TYPE OF GENERATOR USED C. 1883- 1900.

Canada

PART OF A LARGE & VARIED COLLECTION OF ELECTRICAL ITEMS ACQUIRED & DOCUMENTED BY ONTARIO HYDRO IN THE 1960S.THIS COLLECTION CONSISTS OF OVER 7500 ARTIFACTS, AND IS THOUGHT TO BE THE LARGEST & MOST COMPREHENSIVE IN CANADA. IT WAS DONATED IN ITS ENTIRETY TO THE NATIONAL MUSEUM OF SCIENCE & TECHNOLOGY IN 1992.

Function

TO CONVERT ROTARY MECHANICAL ENERGY INTO DIRECT CURRENT ELECTRICAL ENERGY.

Technical

EXAMPLE OF EARLY N. AMERICAN COMMERCIAL DESIGN.

Area Notes

Unknown

Details

Markings

" E.B.-3-K.W./ CAN. GEN. ELEC. CO. LTD. " cast in raised print on both sides of base. Dymo tape label on switch side of generator top reads: " SHUNT ". Plate on side of bridge reads: " PATENTED/ OCT 9, 1880 MAR 13, 1881/ 3 K W/ 125 V NO. 1791 ". Decal applied to top, pulley side, reads: " THE HYDRO/ HISTORICAL/ ELECTRICAL/ COLLECTION ".

Missing

DAMAGED DISCONNECT SWITCH. HANDLE ALSO BROKEN OFF SWITCH. BRUSH SPIDER BENT.

Finish

BLACK ENAMEL IRONWORK. VARNISHED FIELD ROPE WINDING OVER FIELD COILS. RED COATING APPLIED TO TAPED ARMATURE.

Decoration

N/A