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).
Porcelain soot condition and jet settings.
Identifier | ExFiles\Box 20\4\ Scan003 | |
Date | 2nd May 1914 guessed | |
Porcelain Reddish Brown Soot. 80%. 3 notches, weak on L-S jet. 5 " weak on H S jet. | ||