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).
Comparing a sample 'Cyclone' Foot Pump to the currently fitted Dunlop Pump.
| Identifier | ExFiles\Box 149\5\ scan0032 | |
| Date | 26th September 1922 | |
| X993 Hs.{Lord Ernest Hives - Chair} - from ROY.{Sir Henry Royce} ROY{Sir Henry Royce}12/MG/26.9.22 Herewith sample "Cyclone" Foot Pump, which seems a very neat job. Will you please advise in due course if you think this better than the Dunlop Pump we are now fitting. As far as cost is concerned, there is nothing in it. ROY.{Sir Henry Royce} [Signature] | ||