@misc{indiciaed4546f8f7674, title = {Practical structural design; a text and reference work for engineers, architects, builders, draftsmen and technical schools; especially adapted to the needs of self-tutored men — Illustration, Page 113}, year = {1918}, url = {https://www.biodiversitylibrary.org/page/17418001}, note = {Source identifier: page-17418001} }