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Choosing and Using a Refracting Telescope has been written for the many amateur astronomers who already own, or are intending to purchase, a refracting telescop

Peter Manly surveys more than 150 unusual telescopes designed by amateur and professional astronomers to suit some special need.

David A. Harbour presents a brilliant narrative for the Amateur Telescope Maker (ATM), on exactly how the "Foucault Test" is interpreted. Through a series of "f