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).
Deleting the carbon from a push button switch and a suggestion to reduce operating trouble by halving spring pressure.
| Identifier | WestWitteringFiles\V\October1930-February1931\ Scan152 | |
| Date | 18th December 1930 | |
| E/C. FROM E.{Mr Elliott - Chief Engineer} C. to SG.{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager} C. to HS.{Lord Ernest Hives - Chair} -DY.{F R Danby} ORIGINAL RECEIVED 20 DEC 1930 P. 2. PUSH BUTTON SWITCH. E1/M18.12.30. X6015 Regarding the question of deleting the carbon from the push button switch, R.{Sir Henry Royce} has not indicated in any way that he is in favour of this. Could not the baulking trouble experienced when operating the switch be reduced by halving the pressure of the carbon contact retaining springs. E.{Mr Elliott - Chief Engineer} | ||