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).
From EFC to Mr. Brock requesting the weights of various components for the Goshawk Dynamo and Motor.
| Identifier | ExFiles\Box 51\1\ Scan056 | |
| Date | 10th March 1922 | |
| X4383 To Wor{Arthur Wormald - General Works Manager}/Mr. Brock. from EFC. EFC2/T10.3.22. X.4383 X.4384 - GOSHAWK DYNAMO. and MOTOR Would you kindly let me have sometime at your convenience :- 1. The bare weight of carcase and pole pieces of the above. 2. The weight of armature stampings. 3. " " " " copper, exclusive of commutator. 4. Weight of field copper. EFC. | ||