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).
Table of test results for various alloys, including Stanton Test figure, Specific Gravity, and Hardness Test.
| Identifier | ExFiles\Box 37\4\ scan 117 | |
| Date | 9th May 1917 | |
| (2) No. Designation. Stanton Test figure Specific Gravity. Hardness Test. 1. P1 53 3.01 85 2. P2 Not yet obtained 2.88 62 3. C 1127 3.00 60 4. M1 6254 3.05 79 5. L 878 2.79 Not yet obtained 6. H 1780 2.72 54 7. A Not yet obtained 2.90 Not yet obtained 8. M2 92‡ 3.10 79 We have also obtained specific gravity^Brinell test results for some of these alloys and the results are given in the above table. + This is the only Stanton figure not previously reported to Mr. Royce. EFC. | ||