Folder: Optical Page 3 of 3
Eye-Glasses Double for Microscope, Modern Mechanix, Jul, 1936. EYE-GLASSES which can be used instead of a microscope have been invented by C. Dreisseg of Hamburg, Germany. The glasses…
Making Third Dimension Spectacles, Modern Mechanix, Mar. 1935 See your own photographs in true perspective with these inexpensive, easily-made “third dimension” spectacles — ”enjoy “living scenes” where every…
