trihedral prism
Смотреть что такое "trihedral prism" в других словарях:
tri|he|dral — «try HEE druhl», adjective. Geometry. 1. having, or formed by, three planes meeting at a point: »a trihedral angle. 2. having, or formed by, three lateral planes: »a trihedral prism. ╂[< tri + Greek hédra seat, base + English al1] … Useful english dictionary
Mirror mount — This article is about the general subject. For mirror mounts specific to primary telescope mirrors, see Mirror support cell. Two kinematic mirror mounts, with mirrors. A mirror mount is a device that holds a mirror. In optics research, these can… … Wikipedia
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