Gustav Dethlef Hinrichs
Public Domain
Werke:
- On the necessity of a physical observatory at the Iowa State University
- The Principles of Physical Science, Demonstrated by the Student's own Experiments and Observations : In three Volumes, II
- On the spectra and composition of the elements
- On the distribution of the dark lines in the spectra of the elements : (From the American Jour. of science and arts, Vol. XXVIII, July, 1864)