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image no.: 65716
contact sheet: A2121
collection: H.A. Lewis Collection
description: University Of Saskatchewan Professor Raymomd P. Frey Using A Hydraulic Dynamometer Designed By Professor Evan A. Hardy To Test The Draught Of A Binder
subject(s): Agriculture ▪ Harvesting ▪ Personalities ▪ Research ▪ Universities
date: 1927