## 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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**length**is increased , the height AC , being the same as before ; that is , when AF is double a c , the pressure on ...**foot**, and AF be ten**feet**, the pressure in the direction of AF will be ten tons . It will be observed that when the ... Page 53

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**foot**, one yard , one chain , & c . , as may be convenient , and the plan will ...**feet**, & c .; if the subdivisions are taken as tens , the primary divisions ...**length**of the primary divisions ; and through each of these divisions draw ... Page 70

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**length**, both being reduced in the same denomination , and this extent will reach forwards from the**length**or breadth to the superficial content . Example . - Required the superficial content of a plank 27**feet**long by 15 inches broad ... Page 71

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**length**, the extent from 1 to the superficial content thus found will reach forwards from the**length**to the solid content . Example . - What is the solid content of a pillar 1**foot**3 inches square , and 21**feet**9 inches long ? The ... Page 87

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**length**required , generally made of well - seasoned mahogany . Upon its face is inlaid throughout its whole**length**a slip of holly or boxwood a a , upon which are engraved the divisions or scale , either**feet**and decimals , or inches ...### 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