Books by Henry Phelps Gage:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Gage, Henry Phelps: Optic projection : principles, installation, and use of the magic lantern, projection microscope, reflection lantern moving picture machine, fully illustrated with plates and with over 400 text-figures (Comstock publishing company, 1914), also by Simon Henry Gage (page images at HathiTrust; US access only)- Gage, Henry Phelps: 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 (Comstock Publishing Co., 1914), also by Simon Henry Gage (page images at HathiTrust)
- Gage, Henry Phelps: The radiant efficiency of arc lamps ... (The New era printing company, 1911) (page images at HathiTrust)
Find more by Henry Phelps Gage at your library, or elsewhere.