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OBJECT TYPE
DC/BIPOLAR/SHUNT
DATE
1878
ARTIFACT NUMBER
1992.1555.001
MANUFACTURER
Wallace & Sons
MODEL
WALLACE FARMER
LOCATION
Ansonia, Connecticut, United States of America

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
CAST IRON SIDE FRAMES & FIELD CORES. IRON PIPE; BRASS PLATED TOP SUPPORT; CAST IRON PULLIES & STEEL SHAFT. FIELD COILS; INSULATED COPPER WIRE WITH BRASS END PLATE. ARMATURE, MULTIPLE INSULATED COPPER WIRE COILS WITH CAST IRON CORES MOUNTED ON A CAST IRON BACK PLATE. EACH COIL CONNECTED TO 1 SEGMENT OF COPPER, MICA

Dimensions

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

Length
96.0 cm
Width
35.0 cm
Height
62.0 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
Wallace
Country
United States of America
State/Province
Connecticut
City
Ansonia

Context

Country
United States of America
State/Province
Unknown
Period
WALLACE FARMER GENERATOR USED C.1878-1898
Canada
Unknown
Function
TO CONVERT ROTARY MECHANICAL ENERGY INTO ELECTRICAL ENERGY. USED SPECIFICALLY TO POWER ARC LAMPS
Technical
FIRST COMMERCIAL DYNAMO USED IN THE USA FOR ARC LIGHTING.(REF.2) IT WAS DESCRIBED AS A DOUBLE MACHINE, EACH SERIES OF COILS, WITH IT'S COMMUTATOR, BEING CAPABLE OF USE INDEPENDENT OF THE OTHER. IN FACT, THIS WAS NOT SO: THE TWO CURRENTS GENERATED ARE JOINED IN ONE EXTERNAL CIRCUIT. THE ARMATURE DESIGN PRESENTED CONSIDERABLE RESISTANCE TO ROTATION. IT ALSO PRODUCED HEAT SUFFICIENT TO MELT SEALING WAX. (REF.1 & 3) WHEN WILLIAM WALLACE DEMONSTRATED HIS GENERATOR IN 1878 HE CONNECTED IT TO EIGHT ARC LAMPS, EACH HAVING A RADIANCE OF APPROX. 4,000 CANDLES. AMONG THOSE PRESENT TO VIEW WALLACE'S MACHINE WAS THOMAS EDISON. (REF.2)
Area Notes
Unknown

Details

Markings
CAST BRASS PLATE SCREWED TO EITHER END OF GENERATOR READS: 'MANUFACTURED BY/ WALLACE & SONS/ ANSONIA CONN.'/ DYMO-TAPE LABEL READING 'MC.4.1' & DECAL 'THE HYDRO/ HISTORICAL/ ELECTRICAL/ COLLECTION' APPLIED TO GENERATOR BY ONTARIO HYDRO STAFF.
Missing
ORIGINAL CAST IRON BASE MISSING. EXTENSIVE DAMAGE TO GENERATOR MAY HAVE RESULTED IN SOME PARTS BEING LOST. LOOSE/BROKEN PIECES RECOVERED HAVE BEEN BOXED FOR STORAGE.
Finish
* MATERIALS (CONT): INSULATED COMMUTATOR. BRUSH SUPPORT RODS ARE BRASS, WITH BRASS BRUSH HOLDERS & WIRE BUNDLED BRUSHES (SIMILAR TO A PAINT BRUSH)/ END PIECES HAVE BLACK GLOSS ENAMEL BASE, WITH YELLOW BORDER STRIPING & RED DETAILING BETWEEN BORDERS. PULLEYS PAINTED WITH BLACK GLOSS ENAMEL.ARMATURE COILS VARNISHED, WITH BROWN ENAMEL FINISH. WOODEN BASE VARNISHED, WITH LIGHT STAIN.
Decoration
DECORATIVE YELLOW & RED PINSTRIPING ON SUPPORTING FRAME

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Wallace & Sons, Generator, 1878, Artifact no. 1992.1555, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.1555.001/

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