Professional papers of the Signal service, no. 1-18.

Description

Viewability

Item Link Original Source
Full view   no.1 University of Michigan
Full view   c.1 no.2 University of Chicago
Full view   c.1 no.3 University of Chicago
Full view   c.1 no.5-9 University of Chicago
Full view   c.1 no.18 University of Chicago
Full view   no.2-6 1881-1882 University of Michigan
Full view   v.5-10 Columbia University
Full view   no.7-12 1882-1883 University of Michigan
Full view   no.13 1884 University of Michigan
Full view   no.14-16 1884-1885 University of Michigan
Full view   v.16-18 Columbia University