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).
Informational sheet on the properties and application of the NICHROMIC patented alloy in casting.
| Identifier | WestWitteringFiles\V\December1930-February1931\ Scan066 | |
| Date | 23th December 1930 guessed | |
| C O P Y. N I C H R O M I C. ALLIAGE BREVETE S.G.D.G. TEL. GALVANI 99.02 R.C. SEINE 210.540. ASNIERES, le................. (SEINE) 41 Rue Des Bas. NICHROMIC Gives strength to thin castings. The NICHROMIC added to the ladle as the melt is being poured, gives to the casting a finer and closer grain. The casting is less brittle and shows a hardness of 230 Brinnel against 170 points of common grey iron. The NICHROMIC is made in pig or shot form. | ||