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).
Instructions detailing improvements and modifications to a magneto, comparing it to previous Scintilla and R. Bosch models.
| Identifier | ExFiles\Box 48\2\ Scan192 | |
| Date | 29th June 1920 | |
| RR 238 [150 BKS] [SHST.29-6-20.] MP 22435B ROLLS-ROYCE LTD. INSTRUCTIONS. ____________________19 To____________________ Order No. 2 Customer's No.__________ is particularly good, and char- acteristically like the R. {Sir Henry Royce} Bosch. There are a number of improvements and modifications to the design as compared to the previous Scintilla machines, and the more important of these are tabulated below :- 1. Jump spark distributor, superseding the carbon brush type. 2. Positive screw fixing of the distributor blocks and contact brea- ker instead of using spring clips. 3. 60° hand range as compared with 20° hand and 33° automatic on the other magnetos. Signed contd This Sheet must be filed on completion of the work. | ||