[Details of the mechanisms of the Leibniz calculator, the most advanced of its time]
Summary
Picryl description: Public domain illustrated book page scan, engraving, free to use art, no copyright restrictions image.
Tags
Date
01/01/1727
Contributors
Leupold, Jacob, 1674-1727.
Source
Library of Congress
Copyright info
No known restrictions on publication in the U.S. Use elsewhere may be restricted by other countries' laws. For general information see "Copyright and Other Restrictions ...," http://www.loc.gov/rr/print/195_copr.html