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).
Specifications for securing a dial and the design of a nut plate, including sketches.
| Identifier | ExFiles\Box 75\2\ scan0093 | |
| Date | 15th September 1920 | |
| R.R. 225A (100 T) (S.H 159, 11-8-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2800 Contd. -2- E1/C15.9.20. securing the dial should have spherical faces. (as in sketch) for appearance (5) The nut plate for the five securing screws of the cover should be made with its web at the bottom. The object of this is to resist the torsion due to the pull of the screws which tends to turn this piece inside out. [Faint watermark text] WILSON & SON 1904 MADE AT CRUCKLE E.{Mr Elliott - Chief Engineer} | ||