| Year | 1956 |
| Date | 29-Nov |
| Volume | 115 |
| Issue | 2,897 |
| Page | 757 |
| Category | Optical |
| Part | |
| Title | A 35 mm. Slide Projector for less than รบ6 |
| Author | Dennis Horler |
| Notes | Simple optics, the bits and pieces, working characteristics, machining the castings, slide holder and carrier, baseboard and screw, pros and cons |