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).
Particulars of Colt K.K. patent ventilators and other engine components.
| Identifier | ExFiles\Box 119\3\ scan0162 | |
| Date | 24th October 1931 | |
| s/w. To Hs.{Lord Ernest Hives - Chair} From Lp.{Mr Lappin} Copy to Wor.{Arthur Wormald - General Works Manager} r1085 Lp{Mr Lappin}3/LAM.24.10.31. Re: Colt K.K. Patent Ventilators. We are sending you herewith particulars of the engine bonnet louvres and scuttle ventilators, also roof type air extractors, and hope to let you have in the course of a few days particulars of the 8-bladed fan and radiator-contra device. Lp.{Mr Lappin} I attach six photographs of the High Speed Flight. Lp.{Mr Lappin} Encl. Drawing, | ||