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).
Heat treatment process for brake shoes and its approximate first application.
| Identifier | ExFiles\Box 102\3\ scan0129 | |
| Date | 27th March 1934 | |
| W/S - H.{Arthur M. Hanbury - Head Complaints} X5360 Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}3/KW.27.3.34. Heat Treatment of Brake Shoes. Hll/MC.23.3.34. This process was instructed for the Works on October 30th last year, and although there is no exact record of what chassis first had heat treated shoes, it is approximately the 160th in A.2 series, or Chassis No. GHA-20. Hs{Lord Ernest Hives - Chair}/H.{Arthur M. Hanbury - Head Complaints} Grylls. | ||