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).
Laboratory note regarding photomicrographs of Remy ignition tungsten contacts after a bench test.
| Identifier | ExFiles\Box 163\7\ img068 | |
| Date | 30th March 1926 | |
| X 4284 A EFC. H15/EA30.3.26. M467. Laboratory. Herewith two copies of each of photomicrographs A472 and A473. The contacts from which these are taken are returned herewith, marked A and B for identification. Remy Ignition Tungsten contact run with Remy coil for 10,000 miles on bench. H1/E&W | ||