Athenaeum of Philadelphia architectural materials on physics facilities, 1892-1961.
Contains blueprints, drawings, and correspondence related to physics laboratories at Bethlehem Steel Company (prepared by Charles E. Lehr) and Lehigh University (prepared by Addison Hutton) and the engineering physics building at Loyola College, Baltimore, Maryland (prepared by O.W. Ketcham Terra Cotta Works and the Office of Greiner & MacEwen).
Hutton, Addison, 1834-1916.
Lehr, Charles E., fl. 1890-1920.
Bethlehem Steel Company.
Lehigh University.
Loyola College in Maryland.
O. W. Ketcham Terra Cotta Works.
Offices of Greiner & MacEwen.
Physics -- Laboratories.
Architectural drawings. aat
Architectural records. aat
Blueprints. aat
Correspondence. aat ftamc aat
Drawings. aat
Hutton, Addison, 1834-1916.
Lehr, Charles E., fl. 1890-1920.
O. W. Ketcham Terra Cotta Works.
Offices of Greiner & MacEwen.
AIP-ICOS
Athenaeum of Philadelphia. Architectural Archives. Philadelphia, PA, USA.