What is an optical apparatus in which pictures are viewed through a large lens with stereoptical effects. It is often combined with the stereoscope called?
megalethoscope — An optical apparatus in which pictures are viewed through a large lens with stereoptical effects. It is often combined with the stereoscope. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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