00466nam a2200157Ia 4500003000900000008004100009040001600050080001700066245005900083260003800142300001600180650002800196650004100224650001500265700002800280IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a520.2bAMA-3 0aAmateur telescope makingcedited  by Albert G. Ingalls  aU.S.A.bScientific Americanc1956  aviii, 646p.  aAstronomical telescopes  aAstronomy and astrophysics thesaurus  aTelescopes  aIngalls, Albert G., ed.