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).
Costing and quotation details for the production of Bentley Main Bearings from Hall's.
| Identifier | ExFiles\Box 115\3\ scan0194 | |
| Date | 9th February 1938 | |
| COPY FOR FILES. 1020 9.2.38 BENTLEY MAIN BEARINGS (Hall's) Quoting for bearings produced from original type of billet that is approx. 5 lbs. of material for 2-3 ozs. bearing. Cost figures do not allow for recovery of metal. Material Labour 15s. 4.0s. The end piece of the billet which amounts to approx. 1/3. of total is returned for remelting, therefore true economic cost is Material Labour. 10s. 4.0s. Machinings etc. cannot be recovered and are scrap. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||