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Madeline McMath [D.O. no. 140]

Robert McMath [D.O. no. 332, 335, 338]

Portrait of a woman [D.O. no. 138]

Portrait of a young girl [D.O. no. 138]

Two men in observatory [D.O. no. 253]

Two women and one girl [D.O. no. 231]

Woman looking at lantern slides [D.O. no. 339]

Lantern Slides

Planets and sunspots and other astronomy observation photographs [D.O. no. 172]

22 slides

Observatory equipment and various Observatory buildings [D.O. no. 149]

16 slides