Definition of Biunial. Meaning of Biunial. Synonyms of Biunial

Here you will find one or more explanations in English for the word Biunial. Also in the bottom left of the page several parts of wikipedia pages related to the word Biunial and, of course, Biunial synonyms and on the right images related to the word Biunial.

Definition of Biunial

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Meaning of Biunial from wikipedia

- revealing a second one. This could be done with two lanterns, but soon biunial lanterns (with two objectives placed one above the other) became common...
- Huygens and Jan van Musschenbroek, used three lenses for the objective. Biunial lanterns, with two objectives, became common during the 19th century and...
- dissolving views at the Royal Polytechnic Institution in the early 1840s. Biunial lanterns, with two projecting optical sets in one apparatus, were produced...
- equipment to Kingston Museum in Greater London. This includes his original biunial slide lantern, a zoopraxiscope projector, over 2,000 gl**** magic lantern...
- (patented). 1893 Hopper feed installation for rapidly projecting slides in a biunial (two-in-one) lantern to create the illusion of movement (patented). 1895...