https://www.pbfa.org/books/arithmetick-vulgar-decimal-instrumental-algebraical-in-four-parts-by-william-leybourn-the-seventh-edition-carefully-corrected-and-very-much-enlarged-by-the-author-an-account-whereof-is-given-in-the-preface-to-the-reader
Arithmetick, vulgar, decimal, instrumental, algebraical. In four parts. By William Leybourn. The...
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