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 of four different Peregrine piston rings with dimensions.
| Identifier | ExFiles\Box 169\4\ img247 | |
| Date | 8th March 1933 | |
| HS{Lord Ernest Hives - Chair} 945 .015 CHF AT 45° OTHER DIMENSIONS TO E 100037 2.705 DIA -210 SCALE 4/1 HS{Lord Ernest Hives - Chair} 946 SIMILAR TO E 100037 EXCEPT THAT RADIAL HOLES ARE OMITTED .020 2.683 DIA SCALE 4/1 UPPER SCRAPER RING FOR PISTON HS{Lord Ernest Hives - Chair} 948 HS{Lord Ernest Hives - Chair} 949 OTHER DIMENSIONS TO E1600 2.716 DIA 2.725 DIA SCALE 4/1 HS{Lord Ernest Hives - Chair} 947 OTHER DIMENSIONS TO E 100037 .020 .060 SCALE 4/1 PISTON RINGS - PEREGRINE ROLLS-ROYCE, LTD. ART ROOM MAR 8 1933 DERBY. | ||