Was going through the RA notes and came across the following which might or might not be of interest (from RA Notes 17, dated 17 June 1944) http://heritage.canadiana.ca/view/oocihm.lac_reel_c8277/1854?r=0&s=2 (3 pages; you can get a larger image by zooming, and go to the next page with the '>' button)