| Year | 1994 |
| Date | 02-Sep |
| Volume | 173 |
| Issue | 3,976 |
| Page | 304 |
| Category | Workshop |
| Part | |
| Title | Gear-Cutting |
| Author | D.A.G.Brown |
| Notes | Further thoughts. 'Best fit' circle, Brown & Sharpe series, British standards, developing a standard formula, cutter blank thickness, summary |