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).
Weight breakdown of a 1910 type long chassis (No.1120).
| Identifier | ExFiles\Box 3\3\ 03-page006 | |
| Date | 31th August 1909 | |
| Weight of 1910 type chassis (No.1120) LONG Weight of chassis with tyres - 1 T. 3 cwt " " tyres 1 cwt. 1 qr 4 lbs " " petrol 5 lbs " " chassis stripped 1 T. 1 cwt 2 qrs 19 lbs Taken on Town Hall weighing machine by Wallis - 31/8/09 | ||