Showing Collections: 1 - 6 of 6
Bethlehem Housing Authority records
Council on Tall Buildings and Urban Habitat Records
Engineering Field Books 1893-1910
Interesting examples of engineering calculations and observations before the age of computers. Some books have calculations recording the Lehigh River flow and flood stages as well as New York City engineering works at the turn of the twentieth century.
Photo Album of Hill-to-Hill Bridge Construction
Album contains small black and white photographs many of the siting and building of the Hill-to-Hill Bridge over the Lehigh River connecting the two Bethlehems in Pennsylvania. Also in the album are photographs of young men in graduation gowns, college dorm life and young people cavorting in outdoor activities.
Samuel Harrison Tilghman, Lehigh Class of 1907, Bridge Design Portfolio
Walnut Street Bridge, Hellertown (Pa.)
Detailed drawings of the structural members of a historic cast-iron Pratt-truss bridge which the students of the Civil and Environmental Engineering Department, Lehigh University used for refurbishing and reconstructing the bridge in a public park in nearby Hellertown, Pennsylvania.