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 instruction note comparing the properties of Bosch and EW6 armatures.
| Identifier | WestWitteringFiles\S\June1928-August1928\ Scan126 | |
| Date | 8th December 1924 | |
| RR 238 (150 BKS.) (DB{Donald Bastow - Suspensions} 451-8.12.24) MP 305975 ROLLS-ROYCE LTD. INSTRUCTIONS. (6) To Order No. (WD{Mr Wood/Mr Whitehead}5 contd) Customer's No. ...19 of oiled linen. We have not unwound an EW6 armature yet and so are unable to state what proportion of space the primary occupies. Generally speaking therefore both as a result of tests and observations we are of the opinion that the Bosch armature is the better of the two both constructionally and electro-magnetically. Signed H.E.W. This Sheet must be filed on completion of the work. | ||