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John By
From Wikipedia, the free encyclopedia
John By (7. august 1779 Lambeth, London – 1. veebruar 1836 Frant, Ida-Sussex) oli inglise sõjaväeinsener (kolonelleitnant), Rideau kanali ehituse kuraator.
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Ta teenis Briti armee insenerikorpuses Corps of Royal Engineers. Tema juhtimisel rajatud Rideau kanal on tänapäeval arvatud UNESCO maailmapärandi nimistusse.