Cansfield Electrical Works
Title
Cansfield Electrical Works
Type
Company
Coverage
Toronto, ON
Visit Exhibits
Active From
1921
Active Until
>1956
Location
1956 - 260 Geary Ave., Toronto, ON.
Product Areas
Electrical metrology
Activities
Designing, Manufacturing
Timeline
1917 – Paul Ackerman and Charles Ernest Cansfield are employed at the Toronto Power Co. Ltd. (US Patent 1269053A)
1921 – “[A] combined voltage and current relay using the resistance principle was proposed in 1920 by Ackerman, P. and implemented in 1921 by Cansfield Electrical Works, Toronto.” (Alam, M.M. “Impact of VSC-HVDC on Distance Protection”: 38)
c.1943 – Active and manufacturing parts for binnacles manufactured by (Ontario) Hughes Owens.
1956 – Active at 260 Geary Ave., Toronto. (“Electrical Apparatus and Supplies Industry, 1956”, Dominion Bureau of Statistics, pg A-33)
1921 – “[A] combined voltage and current relay using the resistance principle was proposed in 1920 by Ackerman, P. and implemented in 1921 by Cansfield Electrical Works, Toronto.” (Alam, M.M. “Impact of VSC-HVDC on Distance Protection”: 38)
c.1943 – Active and manufacturing parts for binnacles manufactured by (Ontario) Hughes Owens.
1956 – Active at 260 Geary Ave., Toronto. (“Electrical Apparatus and Supplies Industry, 1956”, Dominion Bureau of Statistics, pg A-33)
Sources
Alam, M.M. “Impact of VSC-HVDC on Distance Protection” (PhD Thesis, University of Porto, March 2018)
Contributing parts to: ONTARIO HUGHES OWENS CO. LTD., Binnacle, after 1900, Artifact no. 1969.0176, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1969.0176.001/
"Electrical Apparatus and Supplies Industry, 1956, Dominion Bureau of Statistics, (pg A-33) https://publications.gc.ca/collections/collection_2017/statcan/43-201/CS43-201-1956-eng.pdf
Contributing parts to: ONTARIO HUGHES OWENS CO. LTD., Binnacle, after 1900, Artifact no. 1969.0176, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1969.0176.001/
"Electrical Apparatus and Supplies Industry, 1956, Dominion Bureau of Statistics, (pg A-33) https://publications.gc.ca/collections/collection_2017/statcan/43-201/CS43-201-1956-eng.pdf
Citation
“Cansfield Electrical Works,” Precision Instrument Culture in Canada, accessed October 16, 2024, http://omeka.uottawa.ca/instrument-precision/items/show/56.