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).
Hand-drawn sketch of a swinging dynamo belt drive system with dimensions and notes.
| Identifier | ExFiles\Box 180\M1\3\ img004 | |
| Date | 13th August 1918 guessed | |
| Direction of rotation of Dynamo Clockwise at commutator end anticlockwise at pulley End tightening screw 4" to 4 1/2" 4" 25" Thought in our drawing is 25" scale to the diameter of detail 2'6"= link or rod Dynamo Swings Fixing the Dynamo to the wall should be done with smallest no of bolts possible, preferably one bolt screwed and cottered than 3 | ||