29 Jul
2023
29 Jul
'23
12:39 a.m.
Babbage's calculating engine, by Charles Babbage 71292 [Author: Charles Babbage] [Link: https://www.gutenberg.org/7/1/2/9/71292] [Files: 71292-0.txt; 71292-h.htm] Thanks to Laura Natal Rodrigues (Images generously made available by Hathi Trust Digital Library) Regards, Jacqueline