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1992.1555.001
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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://collections.ingeniumcanada.org/en/id/1992.1555.001/
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