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).
3,000-mile journey through France, Switzerland, and Italy, listing the daily routes and mountain passes climbed.
| Identifier | ExFiles\Box 88\2\ scan0051 | |
| Date | 7th September 1934 | |
| Copy. Sg.{Arthur F. Sidgreaves - MD}..from En. En.1/WT7.9.34. 3,000 miles in France, Switzerland and Italy on P-B-4. Route 1st day. Dieppe, Sens, Dijon, Pontarlier. 390 miles. 2nd " Lausanne, Martigny, Brig, Gletsch. 210 " 3rd " Grimsel Pass, Furka Pass, Oberalp Pass, Schyn Pass, Julier Pass, Ofen Pass, S. Maria. 205 " 4th " Stelvio Pass, Sondrio, Cadenabbia on Lake Como. 160 miles. 5th " Como, Milan, Turin, Briancon, Galibier, Briancon. 220 miles. 6th " Briancon, Cannes. 265 " Homeward Journey. 1st day Cannes, Saulieu. 420 " 2nd " Saulieu, Dieppe. 374 " The following passes, over 3,000 feet were climbed. Stelvio. 9050 Ft. Galibier. 8400 " Furka 8000 " D'Isoard 7900 " Julier. 7500 " Grimsel 7130 " Ofen 7100 " Oberalp 6720 " Sestrieres 6660 " Monte Genevre 6100 " St.{Capt. P. R. Strong} Pierre 5800 " Schyn 3400 " La{L. A. Archer} Faye 3300 " | ||