Phillip Fox and American Astronomical Society meeting attendees with coelostat

The following names were written in the bottom margin on the front of the photograph to label the people in the scene: (left to right) Fox, Miller, Dugan, Brown, Schalen, Cannon, Stewart.In pencil at the top on the back is written "Fig 69 / Cut Margins / 4 1/3 in." In pencil at the bottom is: "Fig 69 / 46 1/2."Stamp at center on back reads: The following credit must be / printed underneath each / reproduction of this picture. / PHOTOGRAPH FROM / WIDE WORLD PHOTOS / CHICAGO BUREAU / TRADEMARK REG U. S. PAT. OFF. / NOT TO BE SYNDICATED RENTED OR LOANED / THIS PHOTO MUST NOT BE USED FOR ADVERTISING / PURPOSES WITHOUT WRITTEN PERMISSION.Inscription in ink below stamp on the back reads: "On upper Terrace AP& AM Sept 1930 at Coelostat / During session Am. Astron Soc. / From 837 - 326 W. Madison St. Chicago."Stamp in red ink at center left, back reads: "9743" (crossed out in pencil). Stamp in red ink at upper right reads: "9744."