s their rules may be applied vnto it,and ail their pro-portions be wrought by it: and therefore referring the Rea^der to their bookesj flial be briefe in the explanation of thatwhich may be applied from theirs vnto mine, and-fo cometo the vfc of rfiofc lines which arc of my addition,not… … ;: The defcrij>tio» of tht lines. ThcCroiTc belonging to it is 26 inches lrbetweene thetwo outward fights. If any would haue it in a greater forme,the proportion betweene the StafFe and the Crofle, may befucli as 3 60 vnto i6z. The lines infcnbed on the StafFe are of foure forcs.One ofthem…
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