TY - BOOK AU - Slocum,F. TI - Stellar parallaxes derived from photographs made with the 20-inch refractor of the Van Vleck observatory, T2 - Publications of the Van Vleck Observatory AV - QB813 .S5 PY - 1938/// CY - Middletown, Conn. PB - [Lithoprinted by Edwards brothers, inc.] KW - Van Vleck Observatory KW - Parallax KW - Stars N1 - At head of title : Wesleyan university; "Reference list" : p. 25-26; Introduction. -- 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 ER -