@misc{indiciae3b11d6536e95, 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 102}, year = {1918}, url = {https://www.biodiversitylibrary.org/page/17417990}, note = {Source identifier: page-17417990} }