Word: binocularity
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Dates: during 1885-1885
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There is a popular idea that the utility and magnification of a microscope depend somehow on its size and formidable appearance. How false this conception is can be learned any day by a visit to the work-shop of a practical microscopist. His resplendent "double barrel" binocular is kept carefully under cover, at ordinary times, and only brought out for exhibition, while the real work is done with a smaller and apparently inferior instrument...