Browsing by Subject "Compass"

Now showing items 1-2 of 2

  • Jan 13, 1789 

    Ewart, J.S. (2009-07-28)
    One letter to James Dinwiddie from J.S. Ewart dated Jan 13, 1789.

  • Terrestrial magnetism 

    Murphy, Martin, 1832-1926; Nova Scotian Institute of Natural Science (WM. MacNab, 1889)