Dictionarium polygraphicum: or, The whole body of arts regularly digested ... adorned with proper sculptures, curiously engraven on more than fifty copper plates .. (1735)
Barrow, John, teacher of mathematics · London, C. Hitch and C. Davis [etc.] · leaf 568
one, after the following manner: The two fcales being th.is fixd, the firfi: thing to be done isto rake into your compafljs the diftance between the bafe lineD, and the horizon E, and to apply the compaiPes thus openedto the little fcale BCj noting wh.-t number of parts it includes,as IlCre it does… … ^5/,^ y%^/XXllU
Art · Industrial arts
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