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).
Letter from R.T. Shelley Ltd. regarding the despatch of two experimental pumps for a D.W.S. Hydraulic Jacking System.
| Identifier | ExFiles\Box 139\1\ scan0174 | |
| Date | 18th June 1936 | |
| X1166 R.{Sir Henry Royce} T. SHELLEY LIMITED, ENGINEERS. MANUFACTURERS OF TOOLS AND COMPONENTS FOR AUTOMOBILES AND AERO ENGINES. TELEPHONE:-ASTON CROSS 1555-6-7 (3 Lines). TELEGRAMS:-"PUSH, BIRMINGHAM." ASTON BROOK STREET, BIRMINGHAM, 6 Our Ref. CJL/DB.{Donald Bastow - Suspensions} Your Ref. June 18th 1936 Messrs Rolls Royce Ltd, DERBY. Dear Sirs, For the attention of Mr.Grylls Experimental Dept. -------- We have today despatched to you two further experimental Pumps for the D.W.S.Hydraulic Jacking System. The one pump contains release valve set to come into action about 3000 lbs per square inch, and the other is fitted with a loose plunger which will only develop about 3000 lbs per square inch with normal use. Both pumps are clearly marked "Low Pressure" and "Release Valve" respectively. Yours faithfully, | ||