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).
List of chassis spares with their corresponding weights for front, rear, and total.
| Identifier | ExFiles\Box 49\3\ Scan163 | |
| Date | 1st June 1922 guessed | |
| -1- CHASSIS SPARES. FRONT. LBS. REAR. LBS. TOTAL LBS. LAMPS. 2 head 9¼ - 9¼ 2 side 2 - 2 1 tail - ½ ½ 1 instrument board lamp ) 1 1 1 1 inspection lamp ) spare bulbs in case. - - ¼ Clock. ½ - ½ Dunlop wheel spanner. 1 ½ 1½ Jack. 2 5 7 Tyre levers. ½ 1½ 2 Pump. 2 5 7 Petrol funnel. ¼ ½ ¾ Tubes - 2 spares. - 9 9 1 spare wheel complete. -14 +86 72 RR tools & spares. 5 11 16 Number plates. 2 2 4 Speedometer A.T. 1¾ 3½ 5¼ Mascot. 1½ - 1½ Badges. 1¾ - 1¾ Horn. 1 ½ 1½ Dummy switch. ¼ - ¼ No spare petrol tin. No repair outfit. TOTAL (LBS) 19¼ 129¾ 149. | ||