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[Page 77]
Wednesday 5th. Sept.
Route march 2 ½ miles to the canal for a swim, most enjoyable. Lecture in afternoon on Gas etc.
Thursday 6th Sept
Route march in morning, afternoon off to "Arques" to do several things. Two I failed to carry out. One to see Colonel Murphy of 18th because he was away for the day, second to see Tommy Gis, he also was away. I saw a wonderful system of locks in the canal there. The canal level drops some 70 ft or more necessitating 5 continuous locks, there is also a lift or rather two lifts which raise one boat up to the higher level at the same time lowing lowering one. 'Tis worked by the hydraulic power & consists of a long basin into which the barge is steered the ends being then closed. A lever is then pressed & the whole affair basin, water & barge is raised or lowered as the case may be, the end is then raised & the barge passes out into the stream the process being repeated like a see saw