General Information

Serial #

PROTOTYPE

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

CAST IRON ADJUSTABLE BASE, FIELD CORES, POLE PIECES & MAGNETIC BRIDGE. BRONZE BEARING SUPPORTS, BRUSH YOKE & HOLDERS WITH BRASS SPRINGS. CARBON BRUSHES. BRONZE BEARINGS. STEEL SHAFT SUPPORTS & ARMATURE CORE WITH A COPPER COMMUTATOR & COPPER SLIP RINGS. FIELDS & ARMATURE WOUND WITH COPPER WIRE. WOODEN STAND & PULLEY. BRASS TERMINALS. MISC HARDWARE

Dimensions

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

Length

74.5 cm

Width

69.0 cm

Height

72.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Energy-electric

Category

Conversion

Sub-Category

N/A

Manufacturer

AKA

Unknown

Country

Unknown

State/Province

Unknown

City

Unknown

Context

Country

United States of America

State/Province

Unknown

Period

PROBABLY 1890 - 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 THENATIONAL MUSEUM OF SCIENCE & TECHNOLOGY IN 1992.

Function

USED TO CONVERT DIRECT CURRENT ELECTRICAL ENERGY TO ROTARY MECHANICAL ENERGY

Technical

NIL

Area Notes

Unknown

Details

Markings

LABELS ON WOODEN BLOCK READ: 'THE HYDRO HISTORICAL ELECTRIAL COLLECTION'/ TWO DYMO TAPE LABELS: 'SHUNT.GEN.' 'MC.2.29'

Missing

FIELD COIL WIRES CUT. BRUSH HOLDER YOKE BENT. ONE BRUSH BROKEN. CONNECTOR MISSING. MOUNTING BOLT BROKEN.

Finish

IRON WORK, BLACK ENAMEL. VARNISHED FIELD AND STRING FIELD WRAPPING. VARNISHED WOODEN BLOCK. OTHER COMPONENTS NATURAL FINISH. WOODEN STAND PAINTED GRAY.

Decoration

NIL