| Year | 1936 |
| Date | 05-Nov |
| Volume | 75 |
| Issue | 1,852 |
| Page | 451 |
| Category | Optical |
| Part | |
| Title | Simple Optical Projectors. Introductory Notes to the "M.E." Cine-Projector |
| Author | "Kinemette" |
| Notes | Optical principle of diascopic and episcopic lanterns, types of projectors, the Ensign "Comet" projection lantern, principles of optical projection, diascopic lanterns, illumination, the condenser, conjugate foci of condenser, other illuminating systems |