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 for non-corrodible steel balls for an altitude test rig's spark gaps.
| Identifier | ExFiles\Box 167\2\ img023 | |
| Date | 8th March 1937 | |
| 6103. from EJJ/JV to Wst/RC{R. Childs} Order No. 816 EJJ is absent EJJ/JV4/MM8.3.37 RE: SPARK GAPS FOR ALTITUDE TEST RIG. Please order from Messrs The Hoffmann Manufacturing Co. Ltd.,:- 1 - gross - 1/4" non corrodible steel balls. Deliver to Wst/RC.{R. Childs} D/D EJJ/JV. | ||