00643nam a2200181Ia 4500003000900000008004100009020002200050040001600072080001500088100002900103245004900132260003900181300001400220650007500234942000700309999001700316952012800333IN-BaIIA211028s9999    xx            000 0 eng d  a978-0-486-42883-3  cIIA Library  a520.2bTHO  aThompson, Allyn J935053 0aMaking your own telescopecAllyn J. Thompson  aNew YorkbDover Publicationsc2003  axi, 211p.  aReflecting telescopes-Design and Construction-Amateur's manuals935054  cBK  c18311d18311  00104070aBANbBANcGENd2012-07-02eANJ   g954.00l0o520.2/ THOp19233r2021-11-05v954.00w2012-07-02yBKGRs. 954.00