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).
Results of life-cycle bumping tests on steering levers.
| Identifier | ExFiles\Box 80\1\ scan0129 | |
| Date | 27th May 1914 | |
| Wor{Arthur Wormald - General Works Manager}/Mcr8/L27514. X701 May 27th. 1914 LIFE OF PARTS ON BUMPING TESTS. STEERING LEVERS. 3" Humps at 105 revs. * per minute Piece No. | Description. | Time. Hrs. Mins. | Results. | Reference. C.446 | Cross Steering Lever, off side. | 4 - 9 | Off side broke. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}1/C18913. in X193 " | ditto. | 2 - 16 | Broke. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}3/L271113. in X711 " | " | 4 - 59 | " | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}19/L101113. X724 " | " | 9 - 27 | " | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}19/L221013 X734 " | " | 14 - 10 | " | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}3/L26913. X750 " | " | 56 | " | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}23/M111213. " | " | 2 - 57 | " | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}20/L3314. X882 " | " | 9 - 55 | " | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}16/L20114. X1003 " | " | 4 - 45 | " | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}1/L23214. X1124 " | " | 5 - 0 | " | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}18/L17214. X1125 C.447 | Cross Steering Lever, near side | 6 - 50 | " | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}1/C18913 X193 | ||