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).
Orders for Lodge Sparking Plugs with different spark gap specifications.
| Identifier | ExFiles\Box 79\1\ scan0076 | |
| Date | 5th December 1916 | |
| To Wd.{Mr Wood/Mr Whitehead} from EFC. EFC2/T51216. 5th. December 1916 X.601 RE LODGE SPARKING PLUGS. Re your memo Wd{Mr Wood/Mr Whitehead}/W2/E291116, we note that you have ordered a further batch of 3000 Sparking Plugs with 20/1000ths spark gap from the Lodge Sparking Plug Co. With regard to their letter in which they ask for a further order for plugs before they put in hand the necessary tools for producing them with 15/1000ths. gap, it will be in order when the time comes, to give them an order for 3000 of these, in addition to those already on order, unless you hear something from the Experimental Department in the meanwhile. EFC. | ||