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This type of rig was used in the early 1860's in the first oilfield discovered in North America located at Oilsprings, Ontario in 1858. First wells, which were very shallow, were dug by ghand to about 90 feet.
As the oil formation became deeper, the spring role rig was used to depths of 400 feet. It was the forerunner to the Canadian cable tool rig which was used beyond depths of 400 feet.
Donated by: Stan, Audrey, Ken and Cliff Kondratiuk