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).
The physical condition of cable samples and the procedure for electrical breakdown testing.
| Identifier | ExFiles\Box 168\1\ img060 | |
| Date | 9th December 1924 guessed | |
| ROLLS-ROYCE LTD. INSTRUCTIONS. (3) 19 To. Order No. Customer's No. (b) bondition good - slight deterioration noticeable close to plugs. (c) bondition of both samples good. Glover samples less flexible than Maconite. (d) bondition of Glover fairly good rather stiff at plug ends. bondition of Maconite good. (e) bondition very poor wires stiff and cracked when bent slightly. In the electrical breakdown tests (3) each sample of cable selected was placed in a tank and immersed in water at normal atmospheric temp for 24 hrs and whilst still immersed subjected to a high A.C Signed (contd) This Sheet must be filed on completion of the work. | ||