| 释义 |
zograscope Obs. exc. Hist.|ˈzɒgrəskəʊp|
[Etym. uncertain, perh. f. zographer, zography + -scope.]
An optical instrument, consisting of a vertically suspended convex lens in front of a pivotally adjustable mirror mounted on a stand, designed for the viewing of prints in magnified form and with stereoscopic effect.
1753in G. Adams Descr. & Use Universal Trigonometrical Octant 3 (Advt.), Zograscopes for viewing perspective Prints. 1953Ann. Sci. IX. 315 (heading) The zograscope or optical diagonal machine. Ibid., No reference to the zograscope has so far been found in the literature of the eighteenth or nineteenth centuries, save in certain..advertisements listing instruments made..by [George Adams]. 1969E. H. Pinto Treen 284 Usually described and sold as Georgian shaving mirrors; this, they are not; they are zograscopes,..probably invented about 1750... Also known, during its long life, as an optical machine..intended for viewing prints, etc., in a magnified form. |