Rolls-Royce Archives
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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 comparing the specific gravity, distillation temperatures, and octane numbers of various fuel brands.

Identifier  ExFiles\Box 27a\4\  Scan266
Date  15th December 1933 guessed
  
Continued. - 2 -

Brand S.G @ 60°F 10% @ 35% @ 65% @ 90% @ Octane No

Corys No. 1 .7292 59°C 96°C 130°C 167°C 62
Corys Com. .7329 62 99 135 169 63
Corys B.M .7372 62 92 124 162 66
Dominion .7315 65 95 6 120 160 63
Redline Super .7341 60 95 128 168 65
Redline Com. .7470 68 107 144 179 67
Bowrings Spirit .7351 58 100 144 185 63
Aero Special .7364 71 104 132 164 60
Blue Star Super .7321 66 97 126 157 62
G.O.P No.1 .7363 64 102 134 175 60
G.O.P.Com. .7387 65 102 136 178 63
Silkol Spirit .7401 78 102 127 154 61
  
  


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