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).
Internal order request for B.T.H. solenoid relay switches for Merlin F engines, which was later cancelled.
| Identifier | ExFiles\Box 168a\2\ img226 | |
| Date | 13th June 1936 | |
| Roy.{Sir Henry Royce} From Hs{Lord Ernest Hives - Chair}/Wst. c. to RHO/JEP. c. to C/Rb.{R. Bowen} 6139 Hs{Lord Ernest Hives - Chair}/Wst.Bl/WJ.13.6.36. MERLIN F ENGINES. B.T.H. SWITCHES. Please order for us to Order No.55245 16 BTH. Type C-4 12 Volt solenoid relay switches. Hs{Lord Ernest Hives - Chair}/M.E.West. Not to be supplied | ||