@misc{indiciae0c4480bc0d78, title = {The concrete engineer's handbook; a convenient reference book for all persons interested in cement, plain and reinforced concerte, building construction, architecture, concrete blocks, mill building, office building, fireproof houses, etc — Illustration, Page 249}, year = {1912}, url = {https://www.biodiversitylibrary.org/page/17475631}, note = {Source identifier: page-17475631} }