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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Σελίδα 20
... projection of the cove ; cb the line of the side wall ; bf the line of the ceiling , and bon the given external angle . Draw A E , and EG parallel to ob and o D. Make Af equal to a C. Divide 20 DEVELOPMENT OF SURFACES .
... projection of the cove ; cb the line of the side wall ; bf the line of the ceiling , and bon the given external angle . Draw A E , and EG parallel to ob and o D. Make Af equal to a C. Divide 20 DEVELOPMENT OF SURFACES .
Σελίδα 27
... projection of the rafters is supported by braces . The lines for finding the shoulders of the braces to fit the obtuse and acute angles ; the section , or backing of the rafters , and the bevels , to find the vertical and face - joints ...
... projection of the rafters is supported by braces . The lines for finding the shoulders of the braces to fit the obtuse and acute angles ; the section , or backing of the rafters , and the bevels , to find the vertical and face - joints ...
Σελίδα 45
... projection of moulding . The intersecting line is found by taking the diameter of the cap and half the rail for a radius . Figure 4 . Shows how nearly impossible it is to perform work of this kind without the use of the compass for ...
... projection of moulding . The intersecting line is found by taking the diameter of the cap and half the rail for a radius . Figure 4 . Shows how nearly impossible it is to perform work of this kind without the use of the compass for ...
Σελίδα 59
... projected to the same radius ; but those which are used together , as the rhumbs and chords , the chords and longitudes , the sines , tangents , secants , and semitangents , and , lastly , the hours and latitudes , must be so ...
... projected to the same radius ; but those which are used together , as the rhumbs and chords , the chords and longitudes , the sines , tangents , secants , and semitangents , and , lastly , the hours and latitudes , must be so ...
Σελίδα 60
... projections , or perspective representations , of the circles of the sphere , by means of which maps are constructed . Thus , the meridians and parallels of latitude being projected , the countries intended to be represented are traced ...
... projections , or perspective representations , of the circles of the sphere , by means of which maps are constructed . Thus , the meridians and parallels of latitude being projected , the countries intended to be represented are traced ...
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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