MP-0000.158.35 | Hydraulic lift lock, Peterborough, ON, about 1923

 
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Photograph, glass lantern slide
Hydraulic lift lock, Peterborough, ON, about 1923
Anonyme - Anonymous
About 1923, 20th century
Silver salts and transparent ink on glass - Gelatin dry plate process
8 x 10 cm
Gift of Mr. Stanley G. Triggs
MP-0000.158.35
© McCord Museum
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Keywords:  Photograph (77678) , Transportation (2516)
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Description

"Lift-Lock, Peterboro: We will for a short time retrace our steps. one very important Canadian Pacific line is that which runs from Montreal to Toronto, and thence to Detroit, where connection is made with Chocago. This Monteal-Toronto line has two branches, one via Peterboro, the other following the shore line of Lake Ontario. Peterboro has an interesting engineering structure in its hydraulic lift-lock, the highest lift-lock in the world. This [with a similar lock at Kirkfield] forms the connecting link between levels on the Trent waterway, which forms a line of water communication between Georgian Bay and Lake Ontario. It overcomes a difference in levels at this point of 65 feet, obviating the necessity for five locks of the ordinary type. The chambers, 140 feet long, 33 feet wide and carrying 8½ feet of water, will lift a vessel from the lower to the higher level, by hydraulic power, in 12 minutes."

Excerpt from "ACROSS CANADA BY C. P. R.", Section 3--The Province of Ontario; booklet, McGill University Illustrated Lectures, 1928.

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