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 Smith's Jacking Systems Ltd. concerning a failed Hydrolift jack and proposed design modifications.
| Identifier | ExFiles\Box 140\2\ scan0182 | |
| Date | 3rd April 1939 | |
| FB 6028 1166 TELEPHONE: GLADSTONE 6671-2 SMITH'S JACKING SYSTEMS LTD. DIRECTORS: A.{Mr Adams} GORDON SMITH, CHAIRMAN. D.{John DeLooze - Company Secretary} W. SESSIONS, GENERAL MANAGER. C. W. NICHOLS. R.{Sir Henry Royce} S. SMITH. EDGWARE ROAD - CRICKLEWOOD - LONDON, N.W.2 Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}1/MH{M. Huckerby} 3rd April, 1939 Messrs.Rolls-Royce Ltd., D E R B Y. For the attention of Mr.S.H.Grylls. Dear Sirs, We thank you for your letter of the 31st ult. in reply to ours of the 29th concerning the Hydrolift jack which has failed properly to operate due to the replenishment valve seating being defective. We have noted your suggestions for the modification of the design to overcome any possibility of this trouble in future, and have taken due note of your recommendations. We ourselves will go carefully into the proposition and will forward to you our ideas. Meanwhile we attach, hereto, a drawing showing the pump chamber of the jack which may be of some help to you. We shall look forward to your further suggestions with interest, and remain at your service. Yours faithfully, For SMITH'S JACKING SYSTEMS LIMITED. [Signature] Director & General Manager. Enclosure DWS/IKS | ||