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).
Requesting modifications to gauze tappet filters for a Phantom III vehicle.
| Identifier | ExFiles\Box 96\2\ scan0086 | |
| Date | 4th December 1935 | |
| x354 To RHC.{R. H. Coverley - Production Engineer} Hs{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell}29/KW.4.12.35. Phantom III. Will you please make 2 gauze tappet filters to LeC.4834, with the following modifications. (1) Substitute the drilled metal star shaped guard by a wire mesh guard, having square apertures the pitch of the wire being .125 and the wire 20 SWG. - .036" dia. in galvanized steel. This is shown pencilled on the attached drawing. (2) Between the cylindrical 75 mesh gauze and the above guard, insert a 100 mesh gauze made to follow the shape of the guard. On the attached drawing this is marked in red. HS{Lord Ernest Hives - Chair}/L.H.Swindall. | ||