01523nam 2200397Ia 450 99638579010331620200824132243.0(CKB)4940000000076628(EEBO)2240972911(OCoLC)ocm12349647e(OCoLC)12349647(EXLCZ)99494000000007662819850805d1667 uy |engurbn||||a|bb|The line of proportion or numbers, commonly called Gunters line, made easie[electronic resource] by the which may be measured all manner of superficies and solids, as board, glass, pavement, timber, stone, &c. : also, how to perform the same by a line of equal parts ... : whereunto is added, the use of the line of proportion improved ... /by William LeybournLondon Printed by J.S. for G. Sawbridge ...1667[6], 16, [2], 153 pFirst ed. Cf. BM.Reproduction of original in British Library.eebo-0018Slide-ruleMathematical instrumentsEarly works to 1800MensurationEarly works to 1800Slide-rule.Mathematical instrumentsMensurationLeybourn William1626-1716.1001442EAAEAAm/cWaOLNBOOK996385790103316The line of proportion or numbers, commonly called Gunter's line made easie2348521UNISA