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).
List of new and obsolete parts for a dynamo and tachometer drive assembly.
| Identifier | ExFiles\Box 168a\3\ img433 | |
| Date | 28th September 1937 | |
| -2- BY/RD.3/B.28.9.37. Sec.8070. New Parts :- DB.{Donald Bastow - Suspensions}1476 - Armature Shaft - Dynamo. 1 off. DB.{Donald Bastow - Suspensions}1477 - Sun Wheel and Shaft - Tachometer Drive. 1 off. DB.{Donald Bastow - Suspensions}1562 - Armature Assembly. 1 off. Standard Parts not required :- DB.{Donald Bastow - Suspensions}1100 - Armature Assembly. 1 off. DB.{Donald Bastow - Suspensions}1092 - Armature Shaft - Dynamo. 1 off. DB.{Donald Bastow - Suspensions}1093 - Sun Wheel and Shaft - Tachometer Drive. 1 off. The remainder of the parts to standard LOP. DB.{Donald Bastow - Suspensions}1100. The rest of the dynamo is made up to standard sections, i.e. :- Sec.8090 . Commutator. LOP. D.54095. Sec.8100. Frame and Field Winding. LOP. D.54999. BY /RD. | ||