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12 inches architrave arris axis beam blade bottom brace butt joint circle circumference common rafter cone construction corner curve cylinder diagonal diagram diameter divide door dotted lines draw lines drawn edge elevation ellipse example face feet figures foot frame frustum gauge Give description Give sketch given gives the cut hip rafter hip roof horizontal plane horizontal projection inches intersection jack rafters joint joists kerfs lengths and bevels mark measure method miter mitre mortise mortised and tenoned moulding obtained octagon octahedron ogee panel parallel perpendicular piece pitch polygon purlin radius rail rebate right angles rise roof sash screws Show by sketch shown in Fig shutters side cut sketch and describe soffit steel square stile straight line tenon tetrahedron thickness timber tion tongue triangle vertical projection weight width window workman
Page 119 - octagon" pretty fairly in the first volume of this work, but very much more than I have said, or can say for that matter, may be said on the construction of octagonal work; in order, however, to make this work as complete as possible I have thought it necessary to present to the reader the following illustrations and descriptions, knowing from experience they will be useful. I have shown how the miters in polygons may be obtained by aid of the square and by other methods, and, as a sort of introduction...
Page 34 - This is along the center of the back of the "tongue," and gives the length of the common braces. || so 91 — in the scale means, that if the run is 36 inches on the post, and the same on the beam, then the brace will be 50^^ inches, or the hypotenuse of a right angle triangle.
Page 312 - If three forces acting at a point are in equilibrium, they can be represented in magnitude and direction by the three sides of a triangle taken in order.
Page 13 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Page 179 - Amount of lumber in rafters, collar-piece and boarding, and number of shingles to four lineal feet of roof, measured from eave to eave over ridge. Rafters...
Page 308 - Parallelogram of Forces. If two forces, acting at a point, be represented in magnitude and direction by the...
Page 177 - CARPENTRY in order to insure plenty of space for the water to flow during a heavy rain storm. A great deal of care should be taken in shingling and finishing a valley, as it is always a weak spot in the roof. PART IV USEFUL TABLES AND MEMORANDA FOR BUILDERS Table showing quantity of material in every four lineal feet of exterior wall in a balloon frame building, height of wall being given: 179 'S JB *! •8* . H ti *-g ^ żL** • Size of Studi, Brace», etc.
Page 53 - ... of a foot in the run, and point off as many places in the product as there are decimal figures used in the solution, and reduce to feet and inches. Fractional figures may be avoided in the run by dropping them and finding the length only for the number of feet, and...
Page 184 - One thousand shingles, laid 4 inches to the weather, will cover 100 square feet of surface, and 5 pounds of shingle nails will fasten them on. One-fifth more siding and flooring is needed than the number of square feet of surface to be covered, because of the lap in the siding and matching.
Page 190 - V- (3) The following table gives the pressure per square foot on a flat surface normal to the direction of the wind for different velocities as calculated by formula (3). Vel. in miles Pressure, Ibs. per per hour. square foot. 10 0.4 Fresh breeze. 20 1.6 30 3.6 Strong wind. 40 6.4 High wind. 50 10.0 Storm. 60 14.4 Violent storm. 80 25.6 Hurricane. 100 40.0 Violent hurricane.