bibliography - Canadian Military History

56. 56. Bayliss, L.E. Engagement of mine-laying aircraft by unseen methods with Sperry
predictor. April 1942. PRO WO 291/50.
57. 57. Hey, J.S., J.T.G. Milne, and S.J. Parsons. Investigation of the performance of GL Mk II.
February 1942. PRO WO 291/51.
58. 58. Hill, D.K. The 3in rocket (AD fuse) in the role of HAA for unseen fire at aircraft flying at
heights between 9,000 - 13,000 feet. The relative effectiveness of the Z battery and the gun
battery. February 1942. PRO WO 291/52.
59. 59. Hey, J.S., and J.T.G. Milne. The variation of GL Mk II bearing discrimination with the
length of the Number 8 Feeder. March 1942. PRO WO 291/53.
60. 60. Varley, G.C., et al. The operational performance of NT 271 as a coast watching
equipment. April 1942. PRO WO 291/54.
61. 61. Hill, D.K. The functions of rockets in AA defence. June 1942. PRO WO 291/55.
62. 62. Wilson, K. Trials of GL Mk IIIC 26 January - 15 March 1942. May 1942. PRO WO
291/56.
63. 63. Whittaker, J.M. Modification of time drum on a Vickers predictor for engagement of
diving targets with heavy equipment. May 1942. PRO WO 291/57.
64. 64. Spalding, J.F. Over-interrogation of IFF by SLC. May 1942. PRO WO 291/58.
65. 65. Hey, J.S., and J.T.G. Milne. Adaptation of GL Mk II for the engagement of mine-laying
aircraft. June 1942. PRO WO 291/59.
66. 66. Whittaker, J.M., and M. Gye. Report on the analysis of ZZ forms for the period 1
December - 31 March 1942. July 1942. PRO WO 291/60.
67. 67. Powell, C, and K. Wilson. The effect of rope rigging on GL interference from a balloon
barrage. June 1942. PRO WO 291/61.
68. 68. Hill, D.K. AA defence with flashless propellant and contact fuses. July 1942. PRO WO
291/62.
69. 69. Nabarro, F.R.N. Use of SLC for early warning. 1942. PRO WO 291/63.
70. 70. Varney, G.C., and M.V. Wilkes. Trials of a high power 10cm set at Ventnor. July 1942.
PRO WO 291/64.
71. 71. Spalding, J.F. Experimental trials using GCI plots to assist searchlight aided
interception. July 1942. PRO WO 291/65.