From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Four-column data table with repeating headers 'P' and 'Z'.
| Identifier | ExFiles\Box 77\5\ scan0148 | |
| Date | 26th April 1917 guessed | |
| P Z P Z 90 10.17 124 15.74 90.5 10.26 125 15.88 91 10.36 126 16.02 91.5 10.46 127 16.15 92 10.55 128 16.29 92.5 10.64 129 16.42 93 10.74 130 16.56 93.5 10.83 131 16.69 94 10.92 132 16.82 94.5 11.02 133 16.96 95 11.11 134 17.08 95.5 11.20 135 17.21 96 11.29 * 136 17.34 96.5 11.38 137 17.47 97 11.47 138 17.60 97.5 11.56 139 17.82 98 11.65 140 17.84 98.5 11.74 141 17.97 99 11.82 142 18.09 99.5 11.91 143 18.21 100 12.00 144 18.34 101 12.17 145 18.46 102 12.34 146 18.58 103 12.51 147 18.69 104 12.68 148 18.81 105 12.85 149 18.93 106 13.01 150 19.04 107 13.18 151 19.16 108 13.34 152 19.27 109 13.50 153 19.39 110 13.66 154 19.50 111 13.81 155 19.61 112 13.97 156 19.72 113 14.12 157 19.84 114 14.27 158 19.95 115 14.43 159 20.06 116 14.58 160 20.16 117 14.73 118 14.88 119 15.02 120 15.17 121 15.31 122 15.46 123 15.60 | ||