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).
Instruction sheet detailing the quality testing of Maconites chassis H.T. cable.
| Identifier | ExFiles\Box 168b\2\ img168 | |
| Date | 25th March 1929 | |
| RR 278 (100 BKS.) 109 461-8-12 24) MP 200975 X.3860 ROLLS-ROYCE LTD. INSTRUCTIONS. To E.7.C Order No. WD{Mr Wood/Mr Whitehead}49 Customer's No. X.3860 Date: 25-3-1929 "Maconite" chassis H.T. cable In connection with our periodic check on the quality of the above cable as delivered on production, we have tested eight sample lengths each cut from a separate coil of cable. These sample lengths were immersed in our tank for 24 hrs and tested at 19700 volts R.M.S which voltage each sample successfully withstood for 15 mins. Signed H.E.W. This Sheet must be filed on completion of the work. | ||