ARTIFACT WORKSHEET

OH NO.: OH0852.030

Worksheet completed by: Suzanne Beauvais Collector: Anna Adamek

Group: Énergie électrique/Electric Energy Category:

Article: Circuit breaker/

Type: knife /2 poles

Model:

Serial number: 880Manufacturer: The Metropolitan Engineering Company of Canada Limited

address: Toronto, Ontario CanadaYear manufactured:

Distributor:address:

Source: Ontario Hydro

Dimensions: l. w. h. Weight:

Function:

References:Annuaires de la ville de Toronto en lignewww.temurray.com/patentshttp://www.brownstoner.com/history/walkabout-thomas-e-murray-brooklyns-most-important-forgotten-inventor/

VOIR L13759 dans Power (protectors)

Patent references: Murray Patents/ patent applied forPeriod of use: Area of use:

Significance to Canada:Fait partie de la collection Hydro-Ontario. Cette collection acquise par le musée des sciences et de la technologie du Canada en 1992 documente la culture matérielle de l’histoire de l’électricité et ses usages.

Part of the Ontario Hydro Collection. This collection was acquired by the CSTM in 1992. It documents the material culture of the history of electricity and its uses.

Significance to technology: Thomas E. Murray, 1860- 1929, ingénieur électrique très prolifique en inventions, le fusible vissable entre autres. Il a fondé la compagnie Metropolitan Engineering Company en 1904.

Materials: metal,,bois, céramiqueMissing parts:Markings/Inscriptions:Étiquette collante: Approved by Hydro Electric Power Commission

Instructions d’utilisation sur la plaque du manufacturier

Comments: Vis dans un paquet.Avec fusibles

60 amps 250 volts

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