Prisms Aid Bed Readerw, 1936 August 10, 2023 1930s, inventions, WTF To make reading in bed easier, a British inventor has devised “lying-down” spectacles in 1936. Prisms mounted in eyeglass frames bend the light rays at right angles so that the wearer can lie flat and read a book held upright on his chest. Email ThisBlogThis!Share to TwitterShare to Facebook
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