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).
Stock report for inner tubes detailing their condition and quantity.
| Identifier | ExFiles\Box 180\M2\M2.6\ img026 | |
| Date | 26th August 1925 guessed | |
| - 3 - R INNER TUBES. Total quantity received ........ 38 In stock (100% good) ... 11 " " ( 50% " ) ... 1 Undergoing repairs ... 6 Requiring repairs ... 4 Discarded ... 16 -- 38 38 -- -- ---------------- G.W.Hancock. | ||