\stˈɛɹɪˌə͡ʊtɹə͡ʊp], \stˈɛɹɪˌəʊtɹəʊp], \s_t_ˈɛ_ɹ_ɪ__ˌəʊ_t_ɹ_əʊ_p]\
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An instrument by which an object is perceived as if in motion and with an appearance of solidity or relief as in nature. It consists of a series of stereoscopic pictures, generally eight, of an object in the successive positions it assumes in completing any motion, affixed to an octagonal drum revolving under an ordinary lenticular stereoscope, and viewed through a solid cylinder pierced in its entire length by two apertures, which makes four revolutions for one of the picture-drum. The observer thus sees the object constantly in one place, but its parts apparently in motion and in solid and natural relief.
By Daniel Lyons
Word of the day
- a threadlike extension of nerve cell Slender processes of neurons, especially the prolonged axons that conduct nerve impulses. One units trunk; it is axis process a neuron and medullated, i. e. white substance Schwann (myelin), medullated; either the medullated non-axis-cylinder or may not be surrounded by primitive sheath neurilemma, so that there are four forms of nerve-fibers.