Thackwray, H. O.2015-01-082015-01-081977None0078-8554http://hdl.handle.net/10539/16227Main articleThe need for a gadget for taking stereo pairs of photographs has been evident for some time. What was needed was a cheap, pocket-sized gadget that would fit all makes of cameras, could be used for close-up photos, large immovable objects and even landscapes. It had to be simple and easy to operate.enstereophotographArticle