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).
Inspection and testing procedures for an electrical machine, possibly a dynamo.
| Identifier | ExFiles\Box 168a\3\ img267 | |
| Date | 16th January 1936 guessed | |
| -5- (9) Examine also for rubbing armature, slack bearings, cracked insulation and final condition of commutator and brush surfaces, and see also that with the dynamo hot the end cover can be easily put on and taken off. (10) The insulation of the machine should be tested whilst still hot by applying through a low C.P. 200 volt lamp and alternating voltage of 200 between the windings and the frame, when the lamp should show no signs of being lighted. Hs{Lord Ernest Hives - Chair}/Pgt. | ||