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).
Specification table comparing parts for Peregrine and Bentley models.
| Identifier | ExFiles\Box 1\8\ B001_X100 Engine Chassis-page022 | |
| Date | 4th January 1932 guessed | |
| SECTION. COMMON TO BOTH PEREGRINE AND BENTLEY. SPECIFICATION OF PEREGRINE. SPECIAL TO BENTLEY. INSTRUMENT BOARD. All parts except speedometer. Grouped system: bought out to our specification. Special speedometer. BATTERY. ------- Same as J.{Mr Johnson W.M.} 3. 26.) Special battery (Double Ford at 50/-.) WHEEL CARRIERS. Dummy hub at rear. Side or dummy hub at rear. Nil. Rear wheel only. DYNAMO. ------- RR. same as J.{Mr Johnson W.M.} 3. Bought out (or RR) STARTER MOTOR. All parts. RR. design. Nil. DISTRIBUTOR. All parts. RR. same as J.{Mr Johnson W.M.} 3. ? Delco. JUNCTION BOX ETC. All parts. As on J.{Mr Johnson W.M.} 3. ------- WHEELS. All parts. 17" rims, 4" section, tyres 5.50". R.W. knock on nut. BRAKE MECHANISM. Most parts. J.3. equalisers, but no servo; automatic adjustment at pedal. Special re-arrangement of parts to suit frame. UNDERSHEET. Nil. Following J.{Mr Johnson W.M.} 3. Special. LUBRICATION. All parts. Conjunction of grouped oilers. ------- EXHAUST. Nil. J.{Mr Johnson W.M.} 3. modified. Special. STEERING. Steering box and connections generally. ------- Spring steering wheel. | ||