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).
Letter from Thompson Products, Inc. regarding the use and cost of sodium-cooled valves.
Identifier | ExFiles\Box 174\2\ img311 | |
Date | 18th January 1939 | |
Thompson Products, Inc. CLEVELAND: VALVES, VALVE SEAT INSERTS, PISTONS AND PINS, BOLTS AND BUSHINGS DETROIT: TIE RODS, DRAG LINKS, STARTING CRANKS, BRAKE ROD ASSEMBLIES GENERAL OFFICES CLEVELAND, OHIO January 18, 1939 Mr. W.A. Robotham Rolls-Royce Limited Derby, England Dear Mr. Robotham: Referring to your Letter of December 22, we had used a valve for some time that was sodium cooled and some other small lots have been used, but in general they have not progressed far on account of price. With kindest personal regards, Very truly yours, THOMPSON PRODUCTS, INC. A.{Mr Adams} T. Colwell Vice President ATC LCG | ||