General Information

Serial #

U96

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

STEEL RAILS FORM BASE. CAST IRON END PIECES/BEARING BLOCKS. CAST BRASS ARMATURE SUPPORT. CAST IRON FIELD CORES AND POLE PIECES; STEEL SHAFT; COPPER AND SYNTHETIC COMMUTATORS; COPPER BRUSHES IN BRONZE HOLDERS. CAST IRON BRUSH HOLDER SUPPORT. INSULATED COPPER WIRE FIELD AND ARMATURE WINDINGS. BRONZE BEARINGS. WOOD CONNECTION PANEL WITH BRASS HARDWARE. BRONZE & GLASS OILERS. LAMINATED STEEL ARMATURE RING, HARD RUBBER INSULATED.

Dimensions

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

Length

154.0 cm

Width

66.0 cm

Height

63.0 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

Brush

Country

United States of America

State/Province

Ohio

City

Cleveland

Context

Country

United States of America

State/Province

Unknown

Period

THIS TYPE OF GENERATOR USEDC.1887- 1910.

Canada

PART OF A LARGE AND VARIED COLLECTION OF ELECTRICAL ITEMS ACQUIRED AND 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 MECHANICAL ENERGY INTO DIRECT CURRENT ELECTRIC ENERGY. THIS GENERATOR WAS USED SPECIFICALLY FOR SERIES ARC LIGHTING.

Technical

UNUSUAL "SWITCHING" TYPE COMMUTATOR CONNECTS 4 PAIRS OF COILS, LEAVING NON-ACTIVE COILS OPEN. (BASED ON THEORY THAT OPEN COILS DO NOT PRODUCE ENERGY-STEALING MAGNETIC DRAG. EFFECTIVE CONSTANT CURRENT DYNAMO FOR USE IN SERIES ARC LIGHTING. CONSTRUCTED SO AS TO FACILITATE REPAIR/REPLACEMENT OF INDIVIDUAL COMPONENTS.

Area Notes

Unknown

Details

Markings

Brass plate screwed to brush side of generator reads: " BRUSH DYNAMO ELECTRIC MACHINE/ PATENTED BY C.F. BRUSH/ NO. U96/ MANUFACTURED BY/ THE BRUSH ELECTRIC CO./ CLEVELAND.O.U.S.A. ". Decal applied to 1 rail (forming part of base) reads: " THE HYDRO/ HISTORICAL/ ELECTRICAL/ COLLECTION ". " 3 " PAINTED ON ONE FIELD COIL ON EACH SIDE ( DIAMETRICALLY OPPOSED ) OF GENERATOR.

Missing

APPEARS COMPLETE.

Finish

MEDIUM BROWN FIELD STRUCTURE AND ARMATURE COILS. BASE RAILS HAVE GLOSS BLACK ENAMEL FINISH. BLACK ENAMEL ON ARMATURE CORE, PULLEY SPOKES, AND SOME FITTINGS. PULLEY SURFACE AND SHAFT APPEAR TO BEVARNISHED.

Decoration

DECORATIVE GOLD PIPING, CURLS AND " X " FORMS PAINTED ON GENERATOR FRAME. " 3 " PAINTED ON ONE FIELD COIL ON EACH SIDE OF GENERATOR.