The American house-carpenter; a treatise on the art of building, and the strength of materials (1867)
Hatfield, R. G. (Robert Griffith), 1815-1879 · New York, J. Wiley · leaf 47
Ime to construct an equirlateral triangie.Let a 5, {Fig. 54,) be the given line. Upon a and 5, with a hfor radius, describe arcs, intersecting at c/ join a and c, also cand 5 / then a ch will be the triangle required. 94.—To describe an equi-lateral rectangle^ or sgua/re. Leta 5, {Fig, 55,) be the… … Fig. 55. scribe the arc, cfdj join a and c, c and d^ d and J / tlien a cd h will be the square required.
Carpentry · Architecture
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Vnderweysung der Messung : mit dem Zirkel vn[d] Richtscheyt in Linien, Ebnen vnnd gantzen Corporen (1525)](https://img.insideoutlibrary.com/img/200/ia-vnderweysungderm00drer-107-207.webp)
![An illustration from Vnderweysung der Messung : mit dem Zirkel vn[d] Richtscheyt in Linien, Ebnen vnnd gantzen Corporen (1525)](https://img.insideoutlibrary.com/img/200/ia-vnderweysungderm00drer-133-300.webp)
