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).
Parts list for a Bentley Ventilated Dynamo, detailing components for the Armature, Bearing Brackets, and Commutator.
| Identifier | ExFiles\Box 168a\3\ img139 | |
| Date | 28th January 1935 | |
| C.H/Mat. 6142 BY/RD1/W.28.1.35. BENTLEY VENTILATED DYNAMO. B.P.L.C.H & Co. Ltd. Will you please put in hand one Dynamo to the following particulars :- Sec.8070. Armature :- DB.{Donald Bastow - Suspensions} 902. Armature Assembly 1 off. D.73335. Armature Coil. 1 off. D.73332. Coil Separator. 1 off. x DB.{Donald Bastow - Suspensions} 921. Fan. 1 off. x DB.{Donald Bastow - Suspensions} 922. Coupling Spider. 1 off. D.54583. Stud for Fan. 3 off. D.{John DeLooze - Company Secretary} 1189. Nut for Fan. 3 off. D.{John DeLooze - Company Secretary} 1190. Lock Washer. 3 off. E.19084. Nut. 3 off. E.81294. Pin, Coupling. 3 off. K.{Mr Kilner} 4602. Split Pin. 3 off. 17 S.W.G. Copper Wire. 2 lbs. 10 oz. The remainder of the material for the Armature should be to the standard L.O.P. DB.{Donald Bastow - Suspensions}230, with the exception of the copper wire to make the coils. Sec.8080. Bearing Brackets.etc. :- DB.{Donald Bastow - Suspensions} 884. End Cover. 1 off. DB.{Donald Bastow - Suspensions} 885. Frame for Gauze. 2 off. DB.{Donald Bastow - Suspensions} 886. Frame for Gauze. 1 off. DB.{Donald Bastow - Suspensions} 887. Gauze. 2 off. DB.{Donald Bastow - Suspensions} 888. Gauze. 1 off. DB.{Donald Bastow - Suspensions} 889. Cover Insulation. 2 off. E.74586. Rivet. 18 off. x DB.{Donald Bastow - Suspensions} 923. Bearing Bracket P.E. 1 off. x DB.{Donald Bastow - Suspensions} 924. Cover for Ball Bearing. 1 off. D.73540. Countersunk Screw. 3 off. Rotherham Winkley Lubricator No.1. } 1 off. 1/4 x 26 T.P.I. R.H. } DB.{Donald Bastow - Suspensions} 890. Assembly of Cover and Gauze. All other pieces for this section can be obtained from production to L.O.P. DB.{Donald Bastow - Suspensions}228. Sec.8090. Commutator. STANDARD. (Contd :- | ||