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The Description and Use of the Sector (1624)

Gunter, Edmund · leaf 44

An illustration from The Description and Use of the Sector, 1624, leaf 44
A- Eh … 35 l hi<v]e of the ItneoJ Superficies; other Rhomboides like to B,and equal] ro the trUnthA, Firft between the perpendicular and the bafe of B\ findameane proportionall, and note it in B, as the fide ofhis equail fquare: then betweene the perpendicular of the tri-angle A,md halfe his bafe, I…

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