General Information

Serial #

541

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

CAST IRON BASE & POLE PIECE, TOP BRIDGE SECTION, FIELD CORES, BEARING BLOCKS, AND BRUSH ASSEMBLY MOUNTING. BRONZE BRUSH HOLDER SHAFTS AND MOUNTINGS; STEEL BRUSH SPRINGS; CARBON BRUSHES. LAMINATED STEEL ARMATURE CORE. STEEL SHAFT & COUPLING. INSULATED COPPER ARMATURE & FIELD WINDINGS. BRONZE BEARINGS WITH SUMP OIL SUPPLY. COPPER COMMUTATOR WITH MICA INSULATION. INSULATED CONNECTOR BLOCK HAS BRASS CONNECTORS.

Dimensions

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

Length

100.0 cm

Width

74.0 cm

Height

57.0 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

SMITH HILL

Country

United States of America

State/Province

Illinois

City

Quincy

Context

Country

North America

State/Province

Unknown

Period

THIS TYPE OF GENERATOR USED C. 1900 TO 1920.

Canada

PART OF A LARGE AND 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 A LARGE GENERATOR OF BIPOLAR DESIGN. MAY HAVE BEEN USED FOR BOTH LIGHTING AND POWER PRODUCTION.

Area Notes

Unknown

Details

Markings

Mfr's plate over commutator reads: " MANUFACTURED BY/ SMITH-HILL ELEVATOR CO./ MAIN WORKS/ QUINCY, ILL./ NO. 541/ VOLTS 110 E ". Dymo tape label over one pole reads: " MF.2.12 "; decal over opposite pole reads: " THE HYDRO/ HISTORICAL/ ELECTRICAL/ COLLECTION ". Paper tag fixed to generator reads: " BI- POLAR DYNAMO/ Earliest type of electric equipment./ 110 volts. Direct current. Probablu used/ for both power and lighting. Formerly/ used in the old San Antonio Brewery. "

Missing

3 CARBON BRUSHES. TOPCONNECTION MISSING FROM ONE FIELD COIL (BROKEN OFF). BRUSH SPRINGS BROKEN.

Finish

BLACK ENAMEL FINISH. COPPER COMMUTATOR AND BRUSH HOLDER ASSEMBLY HAVE NATURAL FINISH.

Decoration

N/A