Hip and valley design
Subtitle: details, formulae and graphics, roofs, hoppers and pipe lines.
By: By H. L. McKibben and L. E. Gray; ed. by J. E. Banks.
Contributors: Gray, L. E., joint author.; Banks, John Edwin, 1867- ed.
Publisher: J. E. Banks
Published: 1912
Place of publication: Ambridge, Pa
Language: eng
Number of pages: 30
Subjects: Roofs