## 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 |

### From inside the book

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**frame**work of roofs , and to ascertaining the relative sizes required to support a given weight . Together with these rules , the author also presents tables of the weight and cohesive strength of the different materials used in the ... Page 14

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**frame**, the convex side of which , when boarded over , shall correspond with the concavity of an arch of stone or brick during the time of erection . PLATE VII Exhibits a plan of groin arches designed for 14 PROBLEMS . Page 22

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**frame**should be adapted to the nature of the load which it is designed to carry . In carpentry , the load is usually ...**frame**; and , in order that the advantage of framing may be more obvious , let us suppose all the parts of a certain ... Page 23

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**frame**at the middle be double the depth of the beam , the strength of the**frame**will be a little more than three times the strength of the beam , and its firmness will be a little more than eight times as great as that of the beam . If ... Page 24

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**frames**, & c . Let A B be a heavy beam , supported by two posts , AC and BD , placed at equal distances from E , the ...**frame**is to be counteracted , it is most effectually done by a straight tie - beam connecting the points together ...### Other editions - View all

### Common terms and phrases

26 Spruce St angle rib beam beam compasses bevel breadth Cast Iron circle circumference colatitude constructed copy cube root cubic feet depth describe the arc diagonal diameter divided draw the lines edge Eighths elevation ellipsis extent will reach Figure floor frame girders given line given number gnomonic projection half hypothenuse inches instrument Invented and Drawn jack-rafters Join joists length in feet limb line of chords line of numbers line of sines Lith 26 Spruce meridian method of finding multiplied nail number of degrees number of equal pencil perpendicular plane Plate polygon primary divisions proportional purlin quadrant quarter girt quotient radius regular polygons represent right angles right line roof rule Rule.-Multiply screw secants sector Shows the method slider sliding soffit square root straight line stroke subdivision tangents thickness transverse distance triangle truss vernier scale weight