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).
Graph plotting water and air temperature against distance for a B-56-BN vehicle climbing the Stelvio Pass.
| Identifier | ExFiles\Box 149a\3\ scan0149 | |
| Date | 30th July 1935 | |
| WATER TEMPERATURE OF B-56-BN{W.O. Bentley / Mr Barrington} CLIMBING THE STELVIO PASS TRIAL STARTED ON 14TH HAIR PIN SPEED 12 M.P.H IN 2ND SPEED DATE 30 - VII - 35 Original Type Bentley Radiator fitted AIR TEMPERATURE WATER TEMPERATURE MILES FROM 14TH HAIR PIN H.S.2113. A.T.C. / 25 | ||