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).
Instructions detailing the results of tests on chassis H.T. ignition cables.
| Identifier | ExFiles\Box 168\1\ img058 | |
| Date | 28th April 1928 | |
| RR 239 (150 BKS.) (DB{Donald Bastow - Suspensions} 451-9-12 24) MP 30975 X3860 ROLLS-ROYCE LTD. INSTRUCTIONS. To: E.7.C. Date: 28-4-1928 Order No. WC98 Customer's No. X 3860 Chassis H.T. ignition cable. We have now completed a series of tests of chassis H.T ignition cable supplied by Messrs Glovers., referred to as "Glover" cable, and the Macintosh Cable Co, referred to as "Maconite" cable. These tests which have covered a long period of time were as follows:- (1) Chemical resistivity of the dielectric, H.T. breakdown tests including the effects on the dielectric of ozone and brush discharge etc, and atmospheric oxidation. The above tests being conducted on new samples of cable and reported in WB{Mr Brazier/Mr Bell}79/3-3-26, WB{Mr Brazier/Mr Bell}93/7-6-26 and WB{Mr Brazier/Mr Bell}99/31-8-26. Signed This Sheet must be filed on completion of the work. | ||