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).
Position and numbers of 'Dunlop' tyres on a 35 PK vehicle.
| Identifier | ExFiles\Box 45\1\ Scan325 | |
| Date | 5th July 1924 | |
| x4050 POSITION & NUMBERS OF "DUNLOP" TYRES ON 35 PK. R.R. N°. WHERE FITTED. REMARKS. X. 6. O.S.F. Obtained from Paris. Mileage to date 2573. X. 9. O.S.R. Obtained from Paris. Punctured after 1992 miles. Worn to canvas. Total loss of air pressure 25 lbs. approx. This tube is fitted with an old type plunger valve. X. I. O.S.R. & N.S.R. Obtained from Paris. Ran 16 miles on O.S.R. temporarily. Worn to canvas after further 1918 miles on N.S.R. Total mileage 1934. Loss of air pressure 13 lbs. approx. X.10. N.S.F. Obtained from Paris. mileage to date 3230 miles. X. 3. O.S.R. & N.S.R. Obtained from Paris. Ran 349 miles on O.S.R. on 98 NK. Punctured after further 956 miles on N.S.R. on 98 NK. Ran further 603 miles on N.S.R. on 35 PK. Worn to canvas after total mileage of 1910. Total loss of air pressure 5 lbs. X.16. O.S.R. Obtained from Paris. Mileage to date 529 miles. Chateauroux. Indre. France. July 5th, 1924. [Signature] | ||