Terrestrial magnetism.
Description
Viewability
Item Link | Original Source |
---|---|
Full view v.1-2 1896-1897 | University of Michigan |
Full view v.1 (1896) | Harvard University |
Full view v.2 (1897) | Harvard University |
Full view v.3-4 1898-1899 | University of Michigan |
Full view v.3 (1898) | Harvard University |