bibliography - Canadian Military History

19. 19. Varley, G.C., and M.V. Wilkes. Performance of NT 27IX and other sets at Dover.
September 1941. PRO WO 291/18.
20. 20. Nabarro, F.R.N. An analysis of the bearing and angle of sight errors of GL in aircraft
calibration. September 1941. PRO WO 291/19.
22. 22. Hill, D.K. GL Mk II and predictor investigation. September 1941. PRO WO 291/20.
23. 23. Whittaker, J.M. Tracks of enemy aircraft over gun defended areas. April - July 1941.
September 1941. PRO WO 291/21.
24. 24. Butler, H.E., A.D. Skelding, and K. Wilson. Synchronised plotting of an aircraft from
three GL sites. December 1941. PRO WO 291/22.
25. 25. Hey, J.S., J.T.G. Milne, and S.J. Parsons. Comparison of 0.4 and 0.6 bearing systems for
GL Mk II. October 1941. PRO WO 291/23.
26. 26. Swann, M.M., and A.D. Skelding. Field check on unseen fire control in Area Tyne Q.
October 1941. PRO WO 291/24.
27. 27. Powell, C. Balloon interference and GL bearing. October 1941. PRO WO 291/25.
28. 28. Wilson, K., and D. Lack. Common GL Mk I errors affecting graphical prediction.
December 1941. PRO WO 291/26.
29. 29. Rogers, G.A., D. Lack, and M.V. Wilkes. 10cm CD trials at Arran. January 1942. PRO
WO 291/27.
30. 30. Bayliss, L.E. Range and angle of sight measurements in AA gunnery with special
reference to unseen methods of fire control. February 1942. PRO WO 291/28.
31. 31. Dobson, K.G. Frequency stability of SLC transmitters in the field. January 1942. PRO
WO 291/29.
32. 32. Porter, A. Investigation of the performance of the Metro-Vick system for the automatic
control of GL Mk III aerial. January 1942. PRO WO 291/30.
33. 33. Varley, G.C. Mutual interference between the NT 27IX sets in the Dover area. October
1941. PRO WO 291/31.
34. 34. Bayliss, L.E. Extended range drum for GL height computer gear. December 1941. PRO
WO 291/32.
35. 35. Whittaker, J.M. Tracks of enemy aircraft over gun defended areas: Part II Merseyside
and IAZ. December 1941. PRO WO 291/33.