Adjacent Words

Balopticon definitions

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Webster's 1913 Dictionary

Balopticon Bal*op"ti*con, n. [Gr. ? to throw + stereopticon.] See Projector, below.

Webster's 1913 Dictionary

Projector Pro*jec"tor, n. An optical instrument for projecting a picture upon a screen, as by a magic lantern or by an instrument for projecting (by reflection instead of transmission of light) a picture of an opaque object, as photographs, picture post-cards, insects, etc., in the colors of the object itself. In this latter form the projection is accomplished by means of a combination of lenses with a prism and a mirror or reflector. Specific instruments have been called by different names, such as radiopticon, mirrorscope, balopticon, etc.