The order of sparking plugs for a Kestrel XVI engine.
| Identifier | ExFiles\Box 58\2\ Scan317 | |
| Date | 2nd April 1936 | |
| r6000. To Roy. {Mr H. Royce - Buyer} Hs {Lord Ernest Hives - Chair} /Wst.19/JH. 2.4.36. Kestrel(Aero Engine) XVI Sparking Plugs. Please order for us to order No. 54202 :- 48 KLG. 893.BLR plugs. 12 Lodge X471B plugs. Hs {Lord Ernest Hives - Chair} /Wst. | ||
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).