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 results of chemical tests performed on various electrical cable insulation materials.
| Identifier | ExFiles\Box 52\1\ Scan118 | |
| Date | 1st December 1924 | |
| ROLLS-ROYCE LTD. INSTRUCTIONS. (2) To_______________________19___ Order No. WD {Mr Wood / Mr Whitehead} 92 (contd) Customer's No.__________ Section A. {Mr Adams} Chemical tests etc. ① Effect on "Gloverite" - swollen, conductor loosened. Effect on "Super Glover" - ditto Effect on "Helsby" - swollen, inner sheath softened and sticky. Effect on "Maconite" - swollen. ② Effect on "Gloverite" - negligible Effect on "Super Glover" - ditto. Effect on "Helsby" - ditto. Effect on "Maconite" - ditto. ③ Effect on "Gloverite" - Surface cracks when bent into a loop. Effect on 'Super Glover' - none appreciably Signed (contd) This Sheet must be filed on completion of the work. RR 238 (150 BKS.) (09 491-9 12.24) MP 306975 | ||