Refractors[?] (Dioptrics[?])
Reflectors (Catoptrics[?])
Cassegrain[?] (Catadioptrics[?]) (also know as Gregorian Telescope)
These types can be mounted on different types of mounts.
Altazimuth (ALT-AZ) Mounts
... Contents U.S. presidential election, 1804 Presidential CandidateElectoral Vote Party Running Mate(Electoral Votes) Thomas Jefferson ...