General Information

Serial #

1246A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

CAST IRON BASE, FRAME COMPONENTS & STATOR COIL CORES. STEEL SHAFT & TOP BRACE ROD; CAST IRON PULLEY; BRASS ROTOR COIL WINDING SUPPORTS; INSULATED COPPER WIRE WINDINGS. CAST IRON BEARING BLOCK WITH BRONZE BEARINGS. COPPER SLIP RINGS, BRONZE BRUSH HOLDERS AND SUPPORT RODS. BUNDLED COPPER WIRE BRUSHES. MISC. STEEL HARDWARE; BRASS CONNECTORS; SHEET STEEL PROTECTIVE SHIELD.

Dimensions

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

Length

89.0 cm

Width

55.0 cm

Height

47.0 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

Siemens

Country

England

State/Province

Unknown

City

London

Context

Country

England

State/Province

Unknown

Period

THIS TYPE OF GENERATOR USED C. 1880- 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 ALTERNATING CURRENT ELECTRICAL ENERGY.

Technical

EXAMPLE OF EARLY INDIVIDUAL STATOR COILS ( BOBBINS ), REPLACED BY 1900 BY FLAT COILS MOUNTED IN A STATOR RING WITH A LATERALLY WOUND ROTOR.

Area Notes

Unknown

Details

Markings

Mfr' plate on top of slip ring, on side of frame reads: " SIEMENS BROS. & Co/ LONDON/ No 1246A ". Patent plate on same side of ring reads: " PATENTED/ No 234353/ 9TH NOVR 1880 ". Two dymo tape labels on top of protective shield read: " MC.17.5 " & " A.C. GEN. ". Decal on shield reads: " THE HYDRO/ HISTORICAL/ ELECTRICAL/ COLLECTION ".

Missing

CAP MISSING FROM ONE OILER.

Finish

FRAME COMPONENTS, INCLUDING PROTECTIVE SHIELD, HAVE GREY-GREEN ENAMEL FINISH. ROTOR ( FIELD ) WINDINGS PAINTED RED. BLACK PAINTED FINISH ON STATOR COILS. BLACK ENAMEL FINISH ON PULLEY.

Decoration

N/A