Blueprint for a modified rocker block.
| Identifier | ExFiles\Box 61\1\ scan0232 | |
| Date | 18th July 1935 guessed | |
| MODIFIED ROCKER BLOCK SCALE 2/1 MATERIAL TUFNOL FINE CAMBRIC E.L. 171 .075 RAD. (.187) +5 .050 +5 .100 .200 +5 .125 +10 .100 -5 .250 RAD. -10 .025 RAD. +10 .325 -10 .450 +10 1 HOLE .105 DIA +3 C' BORE .175 DIA +5 X .037 DEEP +10 REMOVE SHARP CORNER ALONG THIS EDGE. GRAIN OF LINEN TO BE AS SHOWN. | ||
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).