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).
Authorisation for an order to Ley's Malleable Castings Co., Ltd. for electric furnace produced Nickel Chrome Molybdenum cylinder liners.
| Identifier | ExFiles\Box 132\4\ scan0202 | |
| Date | 4th May 1939 | |
| Rm.{William Robotham - Chief Engineer} 11 Z4 RHC{R. H. Coverley - Production Engineer}/Vs.{J. Vickers}2/EP.{G. Eric Platford - Chief Quality Engineer}4.5.39. Iron Foundry. Re - Electric Furnace Produced Cylinder Liners in Nickel Chrome Molybdenum. We suggest you authorise an official order to Messrs Ley's Malleable Castings Co., Ltd., Derby, to cover the production of the Electric Furnace produced "Nickel Chrome Molybdenum" liners on the following lines. "Make Electric Furnace melt of 350 lbs (Approximately) of metal supplied by R.R. Ley's to add alloying elements to give analysis specified in our letter of the 19th. April ref.RHC{R. H. Coverley - Production Engineer}/Vs.{J. Vickers}1/JT., and to cast approximately 20 liners and special test bars using pattern equipment and some moulds supplied by R.R." RHC{R. H. Coverley - Production Engineer}/VS.{J. Vickers} | ||