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).
Graph comparing the loss of brake pedal movement due to heat between standard aluminium and cast iron brake shoes for the 20/25 model rear brakes.
| Identifier | ExFiles\Box 102\3\ scan0063 | |
| Date | 17th March 1932 guessed | |
| LOSS OF BRAKE CLCE DUE TO HEATING OF BRAKE SHOES REAR BRAKES 20/25- STD ALUMINIUM SHOES CAST IRON SHOES LOSS OF PEDAL MOVT. INS: NO OF BRAKE APPLICATIONS AT INTERVALS REDUCING CAR SPEED FROM 50-20 M.P.H. | ||