Babbage, Charles Babbage, Henry, P Ed.,
Babbages calculating engines Being a collection of papers relating to them their history and construction - New york Cambridge university press 2010 - 342 - Cambridge library collection .
9781108000963
51 BAB
Babbages calculating engines Being a collection of papers relating to them their history and construction - New york Cambridge university press 2010 - 342 - Cambridge library collection .
9781108000963
51 BAB