Filtering by: People Moore, J. H. (Joseph Haines), 1878-1949 Remove constraint People: Moore, J. H. (Joseph Haines), 1878-1949 People Tucker, R. H. (Richard Hawley), 1859-1952 Remove constraint People: Tucker, R. H. (Richard Hawley), 1859-1952 Place Mount Hamilton Remove constraint Place: Mount Hamilton Topic Astronomical instruments Remove constraint Topic: Astronomical instruments Topic Astronomical observatories Remove constraint Topic: Astronomical observatories