By Jacomy-Régnier.
Salt Lake City, UT : Project Gutenberg, 2009 .
1 online resource : , Release date is 2009-01-30

Place hold on Histoire des nombres et de la numération mécanique

By Babbage, Charles,.
Salt Lake City, UT : Project Gutenberg, 2023 .
1 online resource : , Release date is 2023-07-28

Place hold on The calculating engine

By Turck, J. A. V..
Salt Lake City, UT : Project Gutenberg, 2022 .
1 online resource : , Release date is 2022-11-19

Place hold on Origin of modern calculating machines