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Creator Martin, Geoffrey, 1881-1966 Remove constraint Creator: Martin, Geoffrey, 1881-1966 Place New York (State)--New York Remove constraint Place: New York (State)--New York Format Image Remove constraint Format: Image Rights Public Domain Mark 1.0 Remove constraint Rights: Public Domain Mark 1.0 Subject Atomic structure Remove constraint Subject: Atomic structure Subject Hydrogen Remove constraint Subject: Hydrogen Subject Chemistry Remove constraint Subject: Chemistry