as may appeare if in ftead of tne ftations at Jand H.wemakechoiftofthclikcftarionsat/andX- There might be other wayes propofed to work thefe Prepby holding the Crofle euen with the diftance,and theStztparallel! with the height: but thefe would proue more t oublefome, and thofe which are deliuered… … I To find wangle by the TAngententbeSuffe. LEt the middle fight be alwayesfct to the middle of theCraflc, n?tejdwithl9 ana 3*? and then chcCroifc b drawnc- l<$ The vfeVfthe Tangent Unts ^/awnlNearer the eye, vntill the marks may befeenc clofcwithin thr fights.For To if the eye at A (that end of…
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![An illustration from Declaration de l'vsage du graphometre : par la pratique duq[ue]l l'on peut mesurer toutes distances des choses de remarque qui se pourront voir et discerner du lieu ou il sera posé : et po[ur] arpenter terres, bois, prez, & faire plans de villes et forteresses, cartes geographiques, & generalement toutes mesures visibles : et ce sans reigle d'arithmetique (1597)](https://img.insideoutlibrary.com/img/200/ia-declarationdelvs00danf-12-3.webp)
