P-ISSN 0002-9599
E-ISSN 1945-452X
Vol. s4-4, Issue 22, 1897October 01, 1897 EDT
On an Improved Heliostat Invented by Alfred M. Mayer
On an Improved Heliostat Invented by Alfred M. Mayer
A. G. Mayer,
Mayer, A. G. (1897). On an Improved Heliostat Invented by Alfred M. Mayer. American Journal of Science, s4-4(22), 306–308. https://doi.org/10.2475/ajs.s4-4.22.306