General Information

Serial #

1381A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

FRAME, BEARING BLOCK, FIELD CORE & POLE PIECES OF CAST IRON. LAMINATED STEEL ARMATURE CORE. STEEL SHAFT. COPPER COMMUTATOR IS MICA INSULATED; INSULATED COPPER FIELD & ARMATURE WINDINGS. LAYERED COPPER-WIRE BRUSHES. BRONZE BRUSH HOLDERS, SUPPORT HARDWARE & MOTOR BEARINGS. BRASS BEARING OILER. STEEL FLYWHEEL & PULLEY; WOODEN BASE; STEEL BELT ADJUSTING SCREW

Dimensions

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

Length

71.0 cm

Width

57.0 cm

Height

68.0 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

Siemens

Country

England

State/Province

Unknown

City

London

Context

Country

England

State/Province

Unknown

Period

THIS TYPE OF MOTOR USED C.1882-1925

Canada

PART OF A LARGE AND VARIED COLLECTION OF ELECTRICAL ITEMS ACQUIRED & DOCUMENTED BY ONTARIO HYDRO IN 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 AND TECHNOLOGY IN 1992.

Function

TO CONVERT DIRECT CURRENT ELECTRIC ENERGY INTO ROTARY MECHANICAL ENERGY.

Technical

INTERESTING FIELD ARRANGEMENT, DESIGNED TO PRODUCE A COMPACT MOTOR. THIS, COUPLED WITH 16-INCH FLYWHEEL & PULLEY AND ITS MOUNTING ON A SLIDING BED; ITS ABILITY TO ALTERNATE A POWERFUL SURGE OF POWER FOLLOWED BY A LESSER FLOW- ALL AT REGULAR INTERVALS; AND ITS EXCELLENT PHYSICAL CONDITION SUGGEST THIS MOTOR MAY HAVE BEEN USED IN A SMALL SHOP, POSSIBLY BY A PRINTER TO DRIVE A PLATEN-STYLE PRESS OR OTHER EQ. ITS NARROW DESIGN AND PULLEY WOULD PERMIT ITS SERVICING MORE THAN ONE MACHINE.

Area Notes

Unknown

Details

Markings

MFR'S PLATE SCREWED TO BASE READS: 'SIEMENS BROS. & CO./ LONDON/ NO. 1381 A'. SECOND PLATE MOUNTED BELOW READS: 'Patented No. 249495 Nov4. 15th, 1881/ Patented No. 256081 April 4th, 1882'/ DECAL APPLIED TO WOODEN BASE READS: 'THE HYDRO/ HISTORICAL/ ELECTRICAL/ COLLECTION'/ DYMO-TAPE LABELS APPLIED TO MOTOR READ 'MC.2.10' & 'SHUNT'

Missing

ONE BRASS BEARING OILER

Finish

GREY ENAMEL FRAME. BLACK ENAMEL FIELD COIL WINDINGS & FLYWHEEL. NATURAL COPPER & BRASS COMPONENTS. WOODEN BASE HAS BEEN VARNISHED. ADJUSTING SCREW FINISHED WITH BLACK ENAMEL.

Decoration

N/A