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).
Patent document for a Gear Shift Lock mechanism.
| Identifier | ExFiles\Box 136\4\ scan0144 | |
| Date | 14th February 1933 | |
| Feb. 14, 1933. A.{Mr Adams} E.{Mr Elliott - Chief Engineer} LEACH 1,897,851 GEAR SHIFT LOCK Filed May 12, 1932 4 Sheets-Sheet 3 Fig. 14 153 151 167 159 165 161 157 163 Fig. 15 153 155 163 161 169 167 159 157 165 Fig. 11 77 13 29' 134 25" 137 21" 135 Fig. 12 145 143 141 148 146 135 25" 21" 137 139 29' Fig. 13 29' 134 25" Inventor Albert E.{Mr Elliott - Chief Engineer} Leach By Blackmore, Spencer & Flink Attorneys | ||