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).
Diagram of the Maybach overdrive system (Schnellgang).
| Identifier | ExFiles\Box 128\2\ scan0074 | |
| Date | 6th July 1910 | |
| C D Schalthebel Anschlag Stellung 1: Direkter Gang Stellung 2: Schalthebel umgelegt (Schnellgang) ① ② i Eintrittswelle vom Motor e f g h d Schema des Maybach Schnellgangs. (übersetzt) Maybach-Motorenbau G.m.b.H. Friedrichshafen a.B. R.{Sir Henry Royce} | ||