The American House Carpenters' and Joiners' Assistant: Being a New and Easy System of Lines, Founded on Geometrical Principles, for Cutting Every Description of Joints, and for Framing the Most Difficult Roofs; to which is Added a Complete Treatise on Mathematical Instruments. Also, Mensuration, Tables of the Weights and Cohesive Strength of the Several Materials Used in the Construction of Buildings, &c |
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angle applied base beam bearing bevel breadth called chords circle circumference common compasses consequently constructed contained copy corresponding curve depth describe diagonal diameter divided divisions draw drawn edge Eighths elevation equal Example extent extreme feet Figure floor foot force fourth frame give given greater half inches intersection Iron Join joists latitude length less limb logarithmic manner marked means measure meridian method middle moulding multiplied nail obtained opposite parallel passing perpendicular piece plane Plate pounds primary divisions projection proportional purlin radius rafter reach reduced represent right angles roof root rule scale screw sector shown Shows side sines solid square straight line stroke subdivision surface taken tangents thickness third timber tracing transverse distance triangle vernier wall weight whole