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).
Request to produce weaker alternative bow springs for an 'SS' push button switch.
| Identifier | ExFiles\Box 64\4\ scan0217 | |
| Date | 14th March 1929 | |
| RHO C. EFC. X7653 BY/RD5/K.{Mr Kilner} 14. 3. 29. "SS{S. Smith}" PUSH BUTTON SWITCH. Will you please put in hand 8 of each of the following springs which are considerably weaker than those we have already instructed to be used as alternatives. D.72167 Bow Spring. (30 S.W.G). D.72168 " " (32 " ). We think that probably one of the 32 S.W.G. springs will be most suitable for fitting to the sample switch for R.{Sir Henry Royce} Blueprints of these two new pieces herewith. BY/RD. | ||