00441nam a2200145Ia 4500003000900000008004100009020002200050040001600072080001500088100002200103245004900125260003900174300001400213650006800227IN-BaIIA211028s9999    xx            000 0 eng d  a978-0-486-42883-3  cIIA Library  a520.2bTHO  aThompson, Allyn J 0aMaking your own telescopecAllyn J. Thompson  aNew YorkbDover Publicationsc2003  axi, 211p.  aReflecting telescopes-Design and Construction-Amateur's manuals