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).
Dispatch of blueprints for an armoured car's barring gear, specifically the ratchet and retaining rings.
| Identifier | ExFiles\Box 20\10\ Scan005 | |
| Date | 19th October 1928 | |
| X.4195 RECEIVED OCT 19 1928 To BY from DA.{Bernard Day - Chassis Design} Copy to IB(1 print). Copy to HS{Lord Ernest Hives - Chair}(1 print). Copy to EFC. Copy to WHS(1 print). DA{Bernard Day - Chassis Design}5/CB19-10-20. X.4195 Armoured Cars - Barring Gear. Please receive two blue prints of "N" Scheme 613 showing the proposed size ratchet ring and clutch oil retaining ring. It will be appreciated that details of the teeth are liable to be altered in the next day or two, but the information given will enable you to order the forgings and to proceed with a considerable amount of machining as any alterations are likely to be small. DA.{Bernard Day - Chassis Design} R.R. 286a (100 T. 15.H.'S. 22-7-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2769 | ||