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 25
... rafters and braces 5 x 8 ; the battens of 1 inch boards , spiked to the timbers with large nails . It is believed to be the best roof that can be constructed , as it has all the advantages of a solid mass , without the great weight and ...
... rafters and braces 5 x 8 ; the battens of 1 inch boards , spiked to the timbers with large nails . It is believed to be the best roof that can be constructed , as it has all the advantages of a solid mass , without the great weight and ...
Σελίδα 26
... rafter , Ag ; join вH , and the line в H , will be the length of the hip rafter . any point , d , on the plan of the With one point of the compass on Then Ag becomes a tangent to To obtain the backing of the hip - rafter at hip , A F ...
... rafter , Ag ; join вH , and the line в H , will be the length of the hip rafter . any point , d , on the plan of the With one point of the compass on Then Ag becomes a tangent to To obtain the backing of the hip - rafter at hip , A F ...
Σελίδα 27
... rafter . The bevels , R K , are properly applied , K being the face , and R the down bevel . 3d . To find the lengths of the jack - rafters , together with the down and face bevels for the hip - rafters . Divide the line GH , into as ...
... rafter . The bevels , R K , are properly applied , K being the face , and R the down bevel . 3d . To find the lengths of the jack - rafters , together with the down and face bevels for the hip - rafters . Divide the line GH , into as ...
Σελίδα 28
... rafter ; c the elevation of the post ; D the plate ; Figs . 1 and 2 , the braces ; and & the elevation of the rafters : Fig . 5 , a section of the rafter . To find the shoulders of the brace F , draw from the point , f , Fig . 1 , the ...
... rafter ; c the elevation of the post ; D the plate ; Figs . 1 and 2 , the braces ; and & the elevation of the rafters : Fig . 5 , a section of the rafter . To find the shoulders of the brace F , draw from the point , f , Fig . 1 , the ...
Σελίδα 29
... rafter down in the same position , in respect to the angle B , as shown From the line da , of the plan , make the line ab , the elevation of the jack - rafter . Draw lines parallel to a d and ab , and make the spaces contained between ...
... rafter down in the same position , in respect to the angle B , as shown From the line da , of the plan , make the line ab , the elevation of the jack - rafter . Draw lines parallel to a d and ab , and make the spaces contained between ...
Άλλες εκδόσεις - Προβολή όλων
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