| Year | 1977 |
| Date | 04-Nov |
| Volume | 143 |
| Issue | 3,572 |
| Page | 1,237 |
| Category | Workshop Topics |
| Part | |
| Title | A discussion on Screwcutting |
| Author | Martin Cleeve |
| Notes | Try this one, independent self-act, indexing a prime, front lock change gear spigots, standard gears for metric threads, checking gear train, depth of metric thread in inches, change gear table |