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OF THE

STATE OF PENNSYLVANIA

FOR THE

PROMOTION OF THE MECHANIC ARTS

FOUNDED 1824

Year Book-1921

PHILADELPHIA
HALL OF THE INSTITUTE
15 SOUTH SEVENTH STREET

SEPTEMBER 1, 1921

Library

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The President, Vice-Presidents, Secretary, Treasurer and the Chairman of
the Committee on Science and the Arts are ex-officio members of the Board
of Managers.

SOLICITORS
BROWN & WILLIAMS

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