Guildline Instruments Ltd.

Example Artifact

Company

Precision Making in Canada After 1945. https://omeka.uottawa.ca/instrument-precision/exhibits/show/making-after-1945

1961-06-01

Ongoing

Churchill Crescent, Smiths Falls, Ontario (1960-)

Electrical, metrology, environment

Manufacturing, Designing

Predecessor (spun off from): Tinsley Instruments (Canada)

- 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 (“Electrical Instrument Personnel”)

- 1960s – Guildline manufacturing instruments based on principles of the direct current comparator developed and prototyped by the National Research Council of Canada. (“Guildline Instruments Celebrates 40 Years”)

- 1964 – Advertising Galvanometers, Potentiometers, Bridges, Standards Etc.” in Fraser’s directory. (Fraser’s Canadian Trade Directory, 1964)

- 1966 – Guildine workers that are part of the International Moulders and Allied Workers union vote to go on strike for better pay and conditions. (“Guideline employees vote strike”)

- 1972 – Guildine selling a “high-speed temperature, salinity and depth measuring system” and is located at Churchill Crescent, Smiths Falls, ON (Marine Products and Services from Canada)

- 1977, October – Founder of Guildine Instruments is killed in a plane crash. (“Guildine carries on precision work after founder’s death”)

- 1996 – Guildine is operating a building at 21 Gilroy Street, Smiths Falls, ON. (“Engineering Manager”)

- 2024 – Guildline is still active in Smiths Falls, ON

“Bénédiction d’une importante usine à Saint-Jérôme.” L'Avenir du Nord (May 9, 1952): 1

Department of Industry, Trade and Commerce, Canada, Marine Products & Services From Canada (Department of Industry, Trade and Commerce, Canada: 1972) (https://publications.gc.ca/collections/collection_2019/isde-ised/Id31-65-1972-eng.pdf): 34

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.

“Engineering Manager” (Advertisement) Ottawa Citizen (October 30, 1996): 40

Fraser’s Canadian Trade Directory (1964): 764.

“Guildline Instruments Celebrates 40 Years” Cal Lab (November-December 1997) (https://www.callabmag.com/wp-content/uploads/2020/10/1997Nov_Dec_Guildline-Celebrates.pdf)

“Guideline [sic] employees vote strike” The Ottawa Citizen (May 13, 1966): 8

Johnson, M. “Guildine carries on precision work after founder’s death” Ottawa Citizen (January 14, 1978): 25

“Smiths Falls Gets New Firm” Ottawa Citizen (September 5, 1957): 22