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).
Table of the three fastest finishing cars in the T.T. Races from 1928 to 1936 inclusive.
| Identifier | ExFiles\Box 160\5\ scan0039 | |
| Date | 17th November 1940 guessed | |
| THE THREE FASTEST FINISHING CARS IN THE T.T. RACES FROM 1928 - 1936 INCLUSIVE. CAR DRIVER CYLS BORE x STROKE CC. AVERAGE SPEED. LENGTH OF RACE. 1928 Bentley H.R.S.Birkin 4 100 x 140 4398 65.76 30 laps. Bentley H.W.Cook 4 100 x 140 4398 64.77 30 " Austro-Daimler H.Mason 6 76 x 110 2994 64.65 30 " 1929 Mercedes-Benz R.Carciola 6 100 x 150 7100 72.82 30 " Bentley H.R.S.Birkin 4 100 x 140 4398 69.01 30 " Mercedes-Benz T.Thistlewayte 6 100 x 150 7100 68.28 30 " 1930 Mercedes-Benz Capt.M.Campbell. 6 100 x 150 7020 71.35 30 " Alfa-Romeo T.Nuvolari 6 65 x 88 1750 70.88 30 " Alfa-Romeo G.Campari 6 65 x 88 1750 70.82 30 " 1931 Alfa-Romeo B.Borzacchini 8 65 x 88 2336 79.05 30 " Alfa-Romeo G.Campari 8 65 x 88 2336 78.40 30 " Maserati G.E.T.Eyston 8 65 x 110 2494 77.29 30 " 1932 Alfa-Romeo Earl Howe 8 65 x 88 2336 80.53 30 " Alfa-Romeo Sir Henry Birkin 8 65 x 88 2336 79.79 30 " Talbot T.E. Rose-Richards. 6 75 x 112 2970 75.32 30 " 1933 Alfa-Romeo T.E. Rose-Richards. 8 65 x 88 2336 78.71 35 " M.G.Magnette T.Nuvolari 6 57 x 71 1087 78.65 35 " Alfa-Romeo Earl Howe 8 65 x 88 2336 77.04 35 " 1934 Bentley E.R.Hall 6 82.5 x 114 3669 78.40 35 " Lagonda Hon.Brian Lewis. 6 88.5 x 120 4429 77.57 35 " Lagonda J.S.Hindmarsh 6 88.5 x 120 4429 77.38 35 " 1935 Bentley E.R.Hall 6 82.5 x 114 3669 80.36 35 " Bugatti Earl Howe 8 72 x 100 3255 79.72 35 " Lagonda J.S.Hindmarsh 6 88.5 x 120.6 4451 78.87 35 " | ||