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 and time analysis sheet for various components, detailing material costs and bonus labor times.
| Identifier | ExFiles\Box 152\2\ scan0059 | |
| Date | 15th October 1937 guessed | |
| -3- Description of piece | Drg.No. | No. off | Material and Material cost | Bonus T.A. Valve body. | 483.Z. | 1 | .125 | 21 mins. Fulcrum lever. | 490.Z. | 1 | S/M. .020 | 17 mins. Frulcrum screw. | 487.Z. | 1 | .090 | 5 mins. Retaining plate. | 521.Z. | 1 | Bought out. 1d. | Lever. | 453.Z. | 1 | 1/6d. | Filler plug washer. | | 1 | Boughtout. .015 | Retaining washer. | 530.Z. | 1 | Bought out. .015 | Filler plug. | 526.Z. | 1 | S/M. .093 | 3 1/2 mins. Cam spindle. | 488.Z. | 1 | S/M. .083 | 22 mins. Locating Pin. | 491.Z. | 1 | S/M. .008 | 1 min. Filler plug. | 527.Z. | 1 | Fibre. .010 | - Total Bonus Time 8 hrs. 44 mins. Material Cost. 11/6 7/- Lab. 11/6 Mat. 7.5 200% = 15 12 ____ 34.5 £1. 15. 0 each. | ||