H. Tinsley & Co.
Title
H. Tinsley & Co.
Tinsley Instruments (Canada) Ltd.
| Example Artifact |
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Type
Company
Coverage
St Jérôme, QC
Smiths Falls, ON
Location
St Jérôme, Quebec, QC (1952, 1956)
Churchill Crescent, Smiths Falls, ON (1958)
Product Areas
Electrical
Metrology
Activities
Manufacturing
Supplying
Timeline
- 1952, May – UK company Tinsley Instruments opens a manufacturing branch in St Jérôme, Quebec. (“Bénédiction d’une importante usine à Saint-Jérôme.”)
- 1957, Nov. – Tinsley Instruments plant closes in St Jerôme and plans to move to Smiths Falls, ON (“Smiths Falls Gets New Firm”)
- 1958 – Tinsley Instruments active at Churchill Crescent, Smiths Falls, ON, selling scientific instruments (New Manufacturing Establishments in Canada)
- 1960, Sept.-1961, July – Name of Smiths Falls company changes to Guildline Instruments, suggesting foundation of new company during this window. (“Electrical Instrument Personnel”)
- 1957, Nov. – Tinsley Instruments plant closes in St Jerôme and plans to move to Smiths Falls, ON (“Smiths Falls Gets New Firm”)
- 1958 – Tinsley Instruments active at Churchill Crescent, Smiths Falls, ON, selling scientific instruments (New Manufacturing Establishments in Canada)
- 1960, Sept.-1961, July – Name of Smiths Falls company changes to Guildline Instruments, suggesting foundation of new company during this window. (“Electrical Instrument Personnel”)
Sources
“Bénédiction d’une importante usine à Saint-Jérôme.” L'Avenir du Nord (May 9, 1952): 1
Dominion Bureau of Statistics – General Assignments Division. New Manufacturing Establishments in Canada, December 1958 (Gordon Churchill, Minister of Trade and Commerce, December 1958): 81
“Electrical Instrument Personnel” The Globe & Mail (July 13, 1961): 36.
“Guildline Instruments Celebrates 40 Years” Cal Lab (November-December 1997) (https://www.callabmag.com/wp-content/uploads/2020/10/1997Nov_Dec_Guildline-Celebrates.pdf)
“Smiths Falls Gets New Firm” Ottawa Citizen (September 5, 1957): 22
| Image | Name | Function |
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Potentiometer | |
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Galvanometer | |
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Galvanometer | |
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Galvanometer | TO MEASURE SMALL CURRENTS |
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Galvanometer | AN INSTRUMENT FOR DETECTING THE EXISTENCE & DETERMINING THE STRENGTH ... |
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Galvanometer | AN INSTRUMENT FOR DETECTING THE EXISTENCE & DETERMINING THE STRENGTH ... |
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Shunt | TO PROVIDE FOR AN ELECTRICAL BYPATH OF VARIOUS RESISTANCES |
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Galvanometer | USED TO MEASURE ELECTRIC CURRENTS, USUALLY BY MEANS OF THEIR ... |
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Box, resistance | USED TO PROVIDE A CONTROLLED AMOUNT OF RESISTANCE IN A ... |
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Shunt | USED WITH A VIBRATING MIRROR GALVANOMETER TO PROVIDE FOR AN ... |
Collection
Citation
“H. Tinsley & Co.,” Precision Instrument Culture in Canada, accessed January 30, 2025, http://omeka.uottawa.ca/instrument-precision/items/show/8206.
Position: 392 (26 views)