Protecting glass from breakage and comparing the hardness of English and French plate-glass.
| Identifier | WestWitteringFiles\E\August1920\ Scan34 | |
| Date | 10th August 1920 | |
| Contd. -2- R23/H10.8.20 be tested. It would be nice if we could protect the glass from risk of breakage, I think, but we can leave that until we find if it is necessary. E. {Mr Elliott - Chief Engineer} suggests hard glass. English plate-glass used to be considered far harder than French. This we could enquire into, but get the job moving. It is now hopeful, and promises well. R. {Sir Henry Royce} | ||
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).