 Roofs or Beams; and Gladstone's, for a Method of increasing the Strength of Timbers; to these it may be useful to add the two following Inventions. Mr. Smart, of Westminster Bridge Road, having been long convinced of the great convenience of flat roofs...  The London Journal of Arts and Sciences - Side 1481822Fuld visning - Om denne bog
 | Royal Society of Arts (Great Britain) - 1820 - 864 sider
...rafters, which I find to be effectual ; and a description of which I here subjoin, as well as a model. I take a square spar of the usual size for a rafter, and, by means of the circular saw, make an incision in it as represented at bb (fig. 1, pi. XIII) ; I then make the... | |
 | 1820 - 496 sider
...which I find to be effectual; and a description of which I here subjoin, as well as a model. I take u square spar, of the usual size, for a rafter; and, by means of the circular saw, make an incision in it, as represented at bb, Fig. 1, (Plate VI.); I then nwke the... | |
 | William Newton - 1822 - 380 sider
...constructing Riofs. IN our report of Patents this month will be found Tomlinson's, for an improved Eafterfor Roofs or Beams; and Gladstone's, for a Method of increasing...pieces, d, d. This being done, raise up the pieces, a, a, to an angle of 10° or 12°, with the piece, b, b, and introduce the key wedge, e, of seasoned oak,... | |
 | William Newton, Charles Frederick Partington - 1822 - 386 sider
...improved Method of constructing Roofs. IN our report of Patents this month will be found Tomlinson's, for an improved Rafter for Roofs or Beams; and Gladstone's,...right angles in the middle of the rafter into the cut, 6, and after that cut out two thin wedge pieces, d, d. This being done, raise up the pieces, a, a,... | |
 | Luke Herbert - 1824 - 394 sider
...rafters, which I find to be effectual ; and a description of which I subjoin, as well as a model. " I take a square spar of the usual size for a rafter, and by means , .it • ! rf »T . , « " •» •• C« ''4 of a circular saw, make an incision in it as Represented... | |
 | Luke Hebert - 1835 - 816 sider
...Westminster Bridge, is an extract taken from the inventor's communication to the Society of Arts. " I take a square spar of the usual size for a rafter,...means of a circular saw, make an incision in it as shown at bb, Fig. 1 page 156. I then make the cut с at right angles to the former, and equidistant... | |
 | Luke Hebert - 1836 - 814 sider
...Westminster Bridge, is an extract takrn from the inventor's communication to the Society of Arts. " I take a square spar of the usual size for a rafter,...means of a circular saw, make an incision in it as shown at bb, Fig. 1 page 156. I then make the cut с at right angles to the former, and equidistant... | |
 | Henry Stephens - 1861 - 726 sider
...tho bow-and-string , rafter." " In this comrnuni- | Г cation," he eays, " I take a • span of thé usual size for a rafter, and, by means of a circular saw, make an incision in it, aa shown at aa, fig. 372. I then make a cut £>, at right angles to the former, and equidistant from... | |
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