Legal full-text edition
The Description and Use of an Arithmetical Machine Invented by Christian-Ludovicus Gersten, F. R. S. Professor of Mathematicks in the University of Giessen. Inscribed to Sir Hans Sloane, Bart. President of the Royal Society. [See TAB. Fig. 1, 2, 3, 4, 5]
Rights
Public-domain status shown for US. http://creativecommons.org/publicdomain/mark/1.0/
Public-domain status shown for US. http://creativecommons.org/publicdomain/mark/1.0/