An optical apparatus by means of which photographs placed inside it may be viewed. Now historical.
单词 | θ64838 |
释义 | the world > physical sensation > sight and vision > optical instruments > instruments for observing > [noun] > for viewing photographs (4) photoscope1875 An optical apparatus by means of which photographs placed inside it may be viewed. Now historical. graphoscope1879 An apparatus containing a magnifying lens arranged for viewing engravings, photographs, etc. photochromoscope1881 A device for imparting the effect of colour to monochromatic photographs. Obsolete. viewer1934 An optical device used for viewing images recorded on a particular medium, esp. those recorded on microfilm. |
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