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).
The procedure for weighing parts and adding their weights to drawings.
| Identifier | ExFiles\Box 3\3\ 03-page045 | |
| Date | 22th March 1914 | |
| Mr Spinney 22/3/14 Mr Bailey Mr Seelman Re Inspection of parts for weight. HWS/M 3.22314. With reference to Mr Royce's request that all parts should have their weight with limits on the drawings, will you kindly obtain these weights as follows :- A suitable sample should be selected in the rough and checked to drawing for agreement as regards thickness of webs and machining allowances etc. The parts should then be weighed carefully by the D.O. and passed on to the Works Inspectors in order that they may confirm that the machining allowances are suitable for production. This same sample should then be machined and re-weighed by the . . . This will mean of course, that both the rough and finished weights will | ||