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).
Blueprint showing the design and dimensions for an Alfa-Romeo piston.
| Identifier | ExFiles\Box 124\5\ scan0064 | |
| Date | 29th February 1932 | |
| SCALE 1/1 SECTION 'AA{D. Abbot-Anderson}' PISTON. ALFA-ROMEO 2.544" DIA .100" 1.500" R.{Sir Henry Royce} .075" DIA 2.40" 30° 12 HOLES .075 DIA .125" 2.085 DIA CHF. 812 DIA AT 60° .925" 1.500" 2.350" DIA. .750" TAPER .675" .800" 2.950" 3.100" 2.200" DIA 2.425 DIA. 2.555" DIA 1.030 5 RIBS .110" AT BOTTOM 1 X .050 RAD AT TOP .075" DIA. PISTON RINGS. 2.350 DIA. X .0775 WIDE ROLLS-ROYCE LTD. PRINT ROOM 29 FEB 1932 | ||