Peterborough Hydraulic Lift Lock Ontario Canada Image by The Roy Studio

Description

*Image is 5 3/4 inches by 8 1/2 inches
Photograph by "The Roy Studio", Peterborough, Ontario, Canada
Back of Image shows facts about the Hydraulic Lift Lock at Peterborough (see photo)
I believe this is a Photochrome Image
Photochrom
is a process for producing
colorized
images from black-and-white
photographic negatives
via the direct photographic transfer of a negative onto
lithographic
printing plates. The process is a photographic variant of
chromolithography
(color lithography).
https://en.wikipedia.org/wiki/Photochrom
The Peterborough Lift Lock is a boat lift located on the Trent Canal in the city of Peterborough, Ontario, Canada, and is Lock 21 on the Trent-Severn Waterway.
Length:
43 metres (141 ft)
Width:
10 metres (33 ft)
One of only two
hydraulic lift
locks
on the Waterway
, Lock 21 is the highest hydraulic boat lift in the world, raising boats 65 ft. This was a considerable accomplishment in the first years of the 20th century, when conventional locks usually only had a 7 ft rise.
Opened on July 9, 1904, it leaves a visible and lasting impact on
Peterborough's
landscape.
One tragic result of the flood in downtown Peterborough in 2004 was the discovery that a large portion of the historical Roy Photographic Studio collection, valued at over million, lay beneath almost one meter of water. Three generations of the Roy Family had documented almost every facet of the life in the Peterborough area from 1896 to 1992, making their collective works one of the most important such collections in Peterborough’s History.
{https://www.marmorahistory.ca/stories/2016/9/16/the-roy-photographic-studio-of-peterborough}
30,000 glass plate and other film negatives, related photographic material, and documents were loaded onto freezer trucks for transport to secured facilities where the complex and delicate restoration work began.
For two years, a dedicated team of approximately 100 specialists toiled tirelessly to bring this unique and prestigious collection back to life. Finally, the restored Balsillie Collection of Roy Studio Images was unveiled and returned to public viewing.” This collection can still be seen today.
https://www.firstonsite.ca/priceless-collection-of-roy-studio-images-centenary-collection-restored-by-firstonsite-and-returned-to-peterborough-museum/
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