| Year | 1978 |
| Date | 15-Dec |
| Volume | 144 |
| Issue | 3,599 |
| Page | 1,468 |
| Category | Workshop |
| Part | 2 |
| Title | New Keyway Slotting Attachment |
| Author | Arnold Throp |
| Notes | Ram, collar, eccentric pin, hand lever and link fittings, cutter bars and tool bits, holding down bolts, operating the equipment, |