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).
Letter discussing material specifications and forgings for 2-pounder and 40mm gun barrels.
| Identifier | ExFiles\Box 176\3\ img118 | |
| Date | 12th August 1940 | |
| - 2 - Cont'd.{John DeLooze - Company Secretary} Yield 45/50 tons/sq.ins. Ult. Stress 60/65 tons/sq.ins. Elongation Not less than 12% Izod Not less than 14 ft/lbs. We hope this will give you the necessary information to check up on the possibility of getting forgings made in the same plant which are dealing with the 2-pounder Mk.{R. E. B. Meade-King} 8 barrels. We wired you on the 10th. August to know if you could come to the Works to inspect the 40 mm. gun stripped but found that you were on leave until the 20th. We would be glad to see you any time after you get back from your leave. Preferably in the earlier part of the week. Yours sincerely, | ||