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).
Request for weight and ohmic resistance data for Lucas and Smith dynamos for winding calculations.
| Identifier | ExFiles\Box 40\2\ Scan014 | |
| Date | 5th March 1920 | |
| Contd. -2- R19/G5.3.20. and we will together make some calculations of windings. I should want to know the weight and ohmic resistances of the various parts of the Lucas and Smith dynamos which we have to excel R.{Sir Henry Royce} | ||