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"Bird’s-eye view of Independence Square from the south, showing present conditions north of Independence Hall"
Joint petition to the General Assembly of Pennsylvania for two lots on State House Square.
Central High School
W. F. G. Swann with E. Newton Harvey and Alfred Lee Loomis at Franklin Institue Medal Meeting.
W. F. G. Swann, examining equipment, full length view.
W. F. G. Swann with Dr. Szanto and Dimitri Mitropoulos at Philadelphia Musical Academy 76th Commencement.
Exhibit at Sesquicentennial Exposition, Philadelphia, Pa., 1926.
W. F. G. Swann, full length view, examining equipment.
W. F. G. Swann, at awards ceremony, Dr. Adams receiving Franklin Medal.
W. F. G. Swann bending over box, examining equipment.
W. F. G. Swann and unidentified man, examining equipment.
Two unidentified men, standing beside scientific equipment.
W. F. G. Swann and others, group portrait at Medal Metting of Franklin Institute.
W. F. G. Swann, foot on chair, working on equipment with unidentified man.
W. F. G. Swann connecting wires on scientific equipment, unidentifed man looking on.
W. F. G. Swann and unidentified man examining equipment.
W. F. G. Swann and unidentified man working with scientific equipment.
W. F. G. Swann, seated at table, unidentified man at microphone.
W. F. G. Swann and others in tuxedos, group portrait at Franklin Institute.
W. F. G. Swann and Niels Bohr, at Franklin Institute.