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 patent agents regarding patent application No. 37227/38 for an 'Anti-Detonant Combustion Space', enclosing a relevant sketch from the Alta Car & Engineering Company.
| Identifier | ExFiles\Box 148\1\ scan0115 | |
| Date | 25th April 1939 | |
| 1256. BRITISH, FOREIGN & COLONIAL PATENTS, TRADE MARKS & DESIGNS WALFORD & HARDMAN BROWN CHARTERED PATENT AGENTS J.{Mr Johnson W.M.} H.{Arthur M. Hanbury - Head Complaints} HARDMAN BROWN, M.A. (OXON.), A.M.I.E.E., A.I.A.E. TELEGRAMS & CABLES: TELEPHONE: PATENTS, COVENTRY. COVENTRY 3956 OUR REF. JHHB/DR ROSLYN CHAMBERS, 47, WARWICK ROAD, COVENTRY, ENGLAND. 25th April, 1939. Messrs. Rolls-Royce Limited, Nightingale Road, DERBY. FOR THE ATTENTION OF MR. W.A. ROBOTHAM. Dear Sirs, Re: YOUR PATENT APPLICATION NO. 37227/38, "ANTI-DETONANT COMBUSTION SPACE". With reference to our letter of the 18th instant, the Alta Car & Engineering Company Limited have been kind enough to prepare an outline sketch of their combustion chamber with the piston at top dead centre, and we have pleasure in enclosing a print thereof. Such prior user will undoubtedly have a deal of bearing on your pending application. Yours faithfully, Walford & Hardman Brown | ||