bibliography - Canadian Military History

1666. 26. Author Unknown. A method of rangefinding using two tanks and azimuth indicators.
March 1945. PRO WO 194/309 and PRO WO 194/632.
1667. 27. Yarnold, K.W. The value of a sight when shooting with a bow machine gun. April
1945. PRO WO 194/309 and PRO WO 194/633.
1668. 28. Author Unknown. 17-pr obscuration: First report. April 1945. PRO WO 194/309 and
PRO WO 194/634.
1669. 29. Watson, H.H. The effect of flash, smoke and dust in preventing observation of fire from
tank guns. April 1945. PRO WO 194/309 and PRO WO 194/635.
1670. 30. Author Unknown. An investigation into the reported variation of jump of the 75mm
gun in the Sherman tank. April 1945. PRO WO 194/309 and PRO WO 194/636.
1671. 31. Author Unknown. The TAR angle of sight instrument. May 1945. PRO WO 194/309
and PRO WO 194/637.
1672. 32. Author Unknown. Electrical "pick-up" devices for rate measuring cyroscopes: Interim
report. June 1945. PRO WO 194/309 and PRO WO 194/638.
1673. 33. Author Unknown. Tank telescopes: The compromise between magnification and field
of view: Trials with Ross variable power telescope. June 1945. PRO WO 194/309 and PRO WO
194/639.
1674. 34. Author Unknown. Investigation into the variation of jump of the 17-pr gun in a tank
mounting. June 1945. PRO WO 194/309 and PRO WO 194/640.
1675. 35. Author Unknown. Bow MG mounting in Centurion. June 1945. PRO WO 194/309 and
PRO WO 194/641.
1676. 36. Author Unknown. Effect on flash and shimmer of injecting notrogen into the barrel of
17-pr gun. August 1945. PRO WO 194/309 and PRO WO 194/642.
1677. 37. Author Unknown. Tank telescopes: Effect of magnification on speed and accuracy of
lay. August 1945. PRO WO 194/309 and PRO WO 194/643.
1678. 38. Author Unknown. Accuracy of laying for line in turret down and indirect fire.
September 1945. PRO WO 194/309 and PRO WO 194/644.
1679. 39. Author Unknown. Accuracy of estimating range from within a vision cupola. October
1945. PRO WO 194/309 and PRO WO 194/645.