| Year | 1933 |
| Date | 05-Jan |
| Volume | 68 |
| Issue | 1,652 |
| Page | 7 |
| Category | Something to Make |
| Part | |
| Title | An Electrical Stroboscope |
| Author | F.W.Stavely |
| Notes | A Simple Instrument for the Observation of High-speed Motion. Battery case, rheostat, armature disc and bearing, general arrangement and details |