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 for a Bosch starter pulley adaptor.
| Identifier | ExFiles\Box 168a\3\ img389 | |
| Date | 10th May 1927 | |
| PULLEY ADAPTOR. BOSCH STA SCALE : 1/1 SECTION AA{D. Abbot-Anderson} TAPER 1 IN 6 ON DIA. .097 H .500 DIA +0/-10 .400 .275 IN .670 DIA. .865 DIA. 1.35 .57 +0/-10 .940 +0/-10 J.R.S 10-5-27 | ||