@misc{indiciae5f41a5d95dc6, title = {Metro manual, a hand book for engineers; containing technical information regarding the construction, adjustment and use of transits, tachymeters, theodolites, alidades levels, etc — Illustration, BHL page 17671755}, year = {1915}, url = {https://www.biodiversitylibrary.org/page/17671755}, note = {Source identifier: page-17671755} }