@misc{indiciae6fd4f3e69ba9, title = {Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures — Illustration, Page 524}, year = {1914}, url = {https://www.biodiversitylibrary.org/page/19572531}, note = {Source identifier: page-19572531} }