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).
Continued list of apparatus required for insulation testing.
| Identifier | ExFiles\Box 24\2\ Scan057 | |
| Date | 24th January 1919 | |
| RR.300 (120B) (SF 349 24-1-19) MP 200552 88233 ROLLS-ROYCE LIMITED. INSTRUCTIONS. 19 To Order No. Customer's No. Re. Apparatus for Insulation Testing (contd) steam. ⑤ Balances. Ordinary laboratory type to show variations of weight due to moisture absorption. ⑥ Ballistic galvanometer. For comparing specific inductive capacities. ⑦ Switchgear for 6. Two way for connecting condenser to supply or galvanometer as desired. ⑧ Vessels for containing oils, acids &c in which insulation is to be immersed. About six required to commence (Ordinary jam-jars will do). ⑨ Brush. Good bristle, 1" for applying varnishes to be tested. Signed: Francis J.{Mr Johnson W.M.} Allen This Sheet must be filed on completion of the work. | ||