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).
Cost analysis for engine bearing maintenance on a Bentley model.
| Identifier | ExFiles\Box 107\2\ scan0049 | |
| Date | 20th December 1938 guessed | |
| Bentley Depot methods of dealing with Engine Bearings (1) Nipping up bearings from underneath at Top Decarb. R10 Time Top decarb. @ 1s.7d @ 10 1/2d Actual cost labour On book Material average skilled 15 1/2 hrs semi 9 1/4 hrs £1"11"8 £1"16"10 1/2 £1"0"6 Time nipping of bearings MOR.B. skilled 22 1/2 hrs semi 24 3/4" @ 1s.8d " @ 7d £2.15.3 £3.12.1 1/4 8"0 [Underlined Totals] £4"6"11 £5"8"11 3/4 £1"8"6 Total cost. £4"6"11 5"8"11 3/4 1"8"6 [Underlined Total] £11"4"4 3/4 Charge to Owner for R10 £5"5"0 Dead loss to Company £5"19"4 3/4 | ||