01400cam a22002531 4500001001300000003000400013005001700017008004100034010001700075035001900092040003000111050001500141100004100156245015400197260007200351300006400423490005600487500004400543504003300587505046100620650002101081610002701102999001701129no 38000004 DLC20260227111852.0821214s1938 ctua b 000 0 eng c ano 38000004  a(OCoLC)9052279 aU.S. Nav. Obs.cMShMdDLC00aQB813b.S51 aSlocum, F.q(Frederick),d1873-1944.10aStellar parallaxes derived from photographs made with the 20-inch refractor of the Van Vleck observatory,cby F. Slocum, C.L. Stearns, B.W. Sitterly. aMiddletown, Conn.,b[Lithoprinted by Edwards brothers, inc.]c1938. axi, 277 p. incl. front.,billus., tables, diagrs.c27.5 cm.0 aPublications of the Van Vleck Observatory.vvol. I. aAt head of title : Wesleyan university. a"Reference list" : p. 25-26.0 aIntroduction. -- History. -- Addresses at ground-breaking. -- The dedication. -- The Van Vleck observatory. -- The lens and its tests. -- The mounting and accessories. -- The measuring machine and its tests. -- Program. -- Method of observation. -- Method of reduction. -- Average results and comparisons. -- Description of tabulations for individual stars. -- Description of summary. -- List of references. -- Tabulations for individual stars. -- Summary. 0aParallaxxStars.20aVan Vleck Observatory. c51228d51228