| Year | 1937 |
| Date | 04-Mar |
| Volume | 76 |
| Issue | 1,869 |
| Page | 204 |
| Category | Tool-Room Topics |
| Part | |
| Title | Making a Sine Bar |
| Author | R.Hutcheson |
| Notes | With plugs located against shoulders, marking out and drilling the bar, alternative method of locating the plugs against shoulders, a sine bar which requires the minimum of accurate machining |