| Year | 1999 |
| Date | 30-Jul |
| Volume | 183 |
| Issue | 4,099 |
| Page | 150 |
| Category | Road Steam |
| Part | |
| Title | Gears & Gearing |
| Author | Martin Wallis |
| Notes | Discusses the usual configurations, describes a form milling attachment, compares as-cast and cut bevel gears. Direct drive, three and four shaft gearing, model gears, differential bevels |