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 requesting the production of 20° obliquity helical timing gears, noting a required tooling change.
| Identifier | ExFiles\Box 3\1\ 01-page134 | |
| Date | 10th February 1913 | |
| W.B. Ltd. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} & S. L. 1202 10,000 19/1/12 ROLLS-ROYCE LIMITED. INSTRUCTIONS. 7575 E 10-2-13 191 To: W. Mercer Order No: Customer's No: Re: Please let us have a number 20° obliquity helical timing gears then a rather an old experiment of W. Royce's. W. Royce is not better fitted to the present timing. The Bearing Co will require a different jig to the 20° pitch. 20° OBLIQUITY GEARS Signed: A G Elliott This Sheet must be filed on completion of the work. | ||