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).
Price quotations from the British Piston Ring Co. for brake drum liners and castings.
| Identifier | ExFiles\Box 85\1\ scan0064 | |
| Date | 10th March 1936 | |
| Copy Hs.{Lord Ernest Hives - Chair} c. to BY/EM ROY{Sir Henry Royce}/MS18/P.10.3.36 We have been in communication with the British Piston Ring Co. with regard to their price for the supply of Brake Drum Liners in their Brimol Stainless Casting Material to our drawing No. EX.21868, and they quote 21/- each for lots of 100, 200 or 400, machined and as supplied against our Order No.93569 dated 22nd October last, and letter ref. BY/EM27.J of October 14th last. They have also quoted for Castings only. The Casting is 12" long, making three rings, and will be supplied at:- 42/6d each for 34. Average cost per ring 14/2d 40/- " " " 67. " " " " 13/4d 37/6d " " " 134. " " " " 12/6d Please let us have your further instructions. Roy.{Sir Henry Royce} | ||