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 results of production tests on two tall coils, TN1 and TN2, in 'Nestolite' cases.
| Identifier | ExFiles\Box 49\5\ Scan050 | |
| Date | 15th September 1924 | |
| RR 238 (100 BKS.) (SH57.29-6-20.) MP 224355 X 4273 b ROLLS-ROYCE LTD. INSTRUCTIONS. To E.F.G. 15-9-1924 Order No. WA {Mr Wallis} 81 Customer's No. X 4273G Production tests on tall coils TN1 and TN2 in "Nestolite" cases. The above coils have been tested to our production specification. TN1 passed the test in every respect, but the second coil TN2 failed in items 2 and 5 of the specification, the milliamps taken by the secondary winding at 200v AC being too high viz 18.2 (limit 18.0) and when tested at 8v the coil only sparked contd Signed This Sheet must be filed on completion of the work. | ||