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).
Laboratory report detailing the distillation temperatures of a petrol sample.

Identifier  ExFiles\Box 20\6\  Scan047
Date  2nd March 1921
  
COPY.
Hs.{Lord Ernest Hives - Chair}
H15/EEB.3.21
Laboratory.

Re. Sample of Petrol submitted 2.3.21.

Specific Gravity .757.
Boils at 85°C.
First distillate over at 91.5°C.

2.0% distilled over at 95°C 203°F
7.5% " " " 100°C 212°F
13.5% " " " 105°C 221°F
20.5% " " " 110°C 230°F
28.5% " " " 115°C 239°F
36.0% " " " 120°C 248°F
44.0% " " " 125°C 257°F
52.5% " " " 130°C 266°F
57.5% " " " 135°C 275°F
64.0% " " " 140°C 284°F
70.0% " " " 145°C 293°F
75.0% " " " 150°C 302°F
78.5% " " " 155°C 311°F
82.0% " " " 160°C 320°F
85.0% " " " 165°C 329°F
87.5% " " " 170°C 338°F
89.0% " " " 175°C 347°F
90.0% " " " 180°C 356°F
91.5% " " " 185°C 365°F
93.0% " " " 190°C 374°F

P.T.O.
  
  


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