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 a component showing a cross-section with proposed dimensional limits.
| Identifier | ExFiles\Box 153\2\ scan0296 | |
| Date | 19th April 1937 | |
| 182 1.232" To ± .003" .0605" To ± .001" .202" To ± .001" 1.110" To ± .002" PROPOSED LIMITS. ASSEMBLY DRG. No. F61471. Brg. No. N2784 Desc. D.O. 12. The Hoffmann M'f'g Co. Ltd. Dr'n A.H.S Passed M Tr {Capt. F. W. Turner - Finance} 'c'd Ch'k'd M Date 19-4-37 Drg. No. 41-473V | ||