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, &cD. Burgess, 1853 - 136 σελίδες |
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Αποτελέσματα 1 - 5 από τα 24.
Σελίδα 24
... foot , and AF be ten feet , the pressure in the direction of AF will be ten tons . It will be observed that when the beam is supported by oblique posts , as in Fig . 2 , these posts will slide out at the bottom , and together at the top ...
... foot , and AF be ten feet , the pressure in the direction of AF will be ten tons . It will be observed that when the beam is supported by oblique posts , as in Fig . 2 , these posts will slide out at the bottom , and together at the top ...
Σελίδα 29
... foot of the rafter ; F will be the face , and н the down bevel of the butt - joint against the hip - rafter . The bevels thus found must be applied before the rafter is beveled to the plane of the roof . Figures 3 and 4 , show the ...
... foot of the rafter ; F will be the face , and н the down bevel of the butt - joint against the hip - rafter . The bevels thus found must be applied before the rafter is beveled to the plane of the roof . Figures 3 and 4 , show the ...
Σελίδα 52
... perfect in the performance of their respective operations . ON SCALES .-- Scales of equal parts are used for measuring straight lines , and laying down distances , each part answering for one foot 52 MATHEMATICAL INSTRUMENTS .
... perfect in the performance of their respective operations . ON SCALES .-- Scales of equal parts are used for measuring straight lines , and laying down distances , each part answering for one foot 52 MATHEMATICAL INSTRUMENTS .
Σελίδα 53
... foot , one yard , one chain , & c . , as may be convenient , and the plan will be larger or smaller as the scale con- tains a smaller or a greater number of parts in an inch . Scales of equal parts may be divided into three kinds ...
... foot , one yard , one chain , & c . , as may be convenient , and the plan will be larger or smaller as the scale con- tains a smaller or a greater number of parts in an inch . Scales of equal parts may be divided into three kinds ...
Σελίδα 54
... foot of the compasses on the point where the fifth parallel cuts the eighth diagonal line , and extend the other foot to the point where the same parallel cuts the sixth vertical line .. The primary divisions being reckoned as tens ...
... foot of the compasses on the point where the fifth parallel cuts the eighth diagonal line , and extend the other foot to the point where the same parallel cuts the sixth vertical line .. The primary divisions being reckoned as tens ...
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The American House Carpenters' and Joiners' Assistant Lucius D. Gould Περιορισμένη προεπισκόπηση - 2023 |
Συχνά εμφανιζόμενοι όροι και φράσεις
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