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Titolo |
Gram[m]elogia, or, The mathematicall ring [[electronic resource] ] : shewing (any reasonable capacity that hat[h] not arithmeticke) how to resolve and worke all ordinary operations of arithmeticke, and those which are most difficult with greate[r] facilitie, the extraction of roots, the valuation of leases, &c., the measuring of plaines and solids : with the resolution of plaine and sphericall triangles, and that onely by an ocular inspection, and a circular motion |
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