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).
Modifications to car I.B.IV's brake system to return it to standard specification before sale.
| Identifier | ExFiles\Box 85\1\ scan0362 | |
| Date | 20th October 1937 | |
| HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} ✓ 206 Rm{William Robotham - Chief Engineer}/AFM{Anthony F. Martindale}1/R.20.10.37. BRAKES - I.B.IV. As this car is being sold will you please return it to standard, as follows:- (1) Remove present rear axle with 14" brake drums and send into Garage, refit I.B.IV's own axle. (2) Remove aluminium drums from front brakes and fit to obsolete drums recently taken off B.23.AE. (3) Remove the long anti-judder weights with their bronze bushes and anti-rattle device, and make standard. Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} | ||