Blueprint detailing modifications to a trunnion block, including an enlarged view of a hole edge.
| Identifier | ExFiles\Box 15\4\ Scan027 | |
| Date | 17th April 1929 guessed | |
| EX3818, .225 DIA BEFORE CLOSING, 90°, C40R, ENLARGED VIEW SHOWING EDGE OF HOLE, 2 HOLES .125 DIA, 0.18 R, ALL OTHER DIMNS ETC TO G77346, OIL GROOVE .100 WIDE X .010 Dp, MODS TO G77346 TRUNNION BLOCK | ||
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).