File Solar eclipse of, August 31, 1932 Box 10 (include logbook) In: Robert R. McMath Papers, 1916-1962 » Research and topical files
File 24 inch telescope construction Box 10 In: Robert R. McMath Papers, 1916-1962 » Research and topical files
File 10 1/2 inch telescope, small tower coelostat, 24 inch telescope Box 10 In: Robert R. McMath Papers, 1916-1962 » Research and topical files
File Auxiliary coelostat and spectrohelio radialgraph Box 10 In: Robert R. McMath Papers, 1916-1962 » Research and topical files
File Telescopes, 1930-1934, undated 5 folders Box 10 In: Robert R. McMath Papers, 1916-1962 » Research and topical files
File Telescope construction 5 folders Box 10 In: Robert R. McMath Papers, 1916-1962 » Research and topical files
File Mt. Wilson spectrohelioscope Box 10 In: Robert R. McMath Papers, 1916-1962 » Research and topical files
File Observatory electrical circuits, notes concerning Box 10 In: Robert R. McMath Papers, 1916-1962 » Research and topical files
File Observatory "Dome Instructions", 1930-1935 Box 10 In: Robert R. McMath Papers, 1916-1962 » Research and topical files
