Books by William Schmolz:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Schmolz, William: Surveyor's and engineer's companion: a comcise treatise on mathematical instruments, containing an improved method of telescopic measurements...and...the most important and useful tables and formulas ... (Valentine & Co., 1859) (page images at HathiTrust)- Schmolz, William: The surveyor's and engineer's companion being a concise treatise on mathematical instruments. (San Francisco, 1859) (page images at HathiTrust)
Find more by William Schmolz at your library, or elsewhere.