Analysis of information sources in references of the Wikipedia article "1775 in science" in English language version.
{{cite book}}
: CS1 maint: location missing publisher (link)...the first true logic machine, the Stanhope Demonstrator.
...the first true logic machine, the Stanhope Demonstrator.
...the first true logic machine, the Stanhope Demonstrator.
...the first true logic machine, the Stanhope Demonstrator.