Blueprint detailing the position and angles for a brazed jack pad on a flanged component.
| Identifier | ExFiles\Box 48\1\ Scan028 | |
| Date | 9th June 1927 guessed | |
| ENDS PROJ 56° 27° 3° 15' ¢ OF JACK PAD NEAR SIDE PAD TO BE BRAZED IN POSITION AS SHOWN | ||
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).