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).
Blueprint drawings for a Roller and a Roller Pin.
| Identifier | ExFiles\Box 15\5\ Scan292 | |
| Date | 9th May 1932 guessed | |
| Hs{Lord Ernest Hives - Chair} 605 .400 DIA .200 H H .102 DIA S/ZN (CASE HARDENED) WHERE MARKED HH ROLLER SCALE 2/1 Hs{Lord Ernest Hives - Chair} 606 .026 CHFR AT 45º SEE Hs{Lord Ernest Hives - Chair} 604 .100 DIA FIT H H H H .700 S/ZN (CASE HARDENED) AT HH ROLLER PIN | ||