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).
Request to send a spark gap to British Helsby Cables Ltd. for calibration.
| Identifier | ExFiles\Box 167\3\ img067 | |
| Date | 14th June 1937 | |
| To HPS{Horace Percy Smith - Experimental Factory Mgr}/CEP. 6110 Rm{William Robotham - Chief Engineer}/Wst.6/JH.14.6.37. Will you please arrange to send to the British Helsby Cables Ltd., Helsby :- One spark gap which has been sent to us for calibration purposes (no charge). The spark gap should be sent addressed for the attention of Mr. H.Higham. Rm{William Robotham - Chief Engineer}/Wst. | ||