 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 - Page 1481822Full view - About this book
 | Royal Society of Arts (Great Britain) - Industrial arts - 1820 - 864 pages
...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... | |
 | Industrial arts - 1820 - 496 pages
...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 pages
...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 - Industrial arts - 1822 - 386 pages
...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 - Industrial arts - 1824 - 394 pages
...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 - Industrial arts - 1835 - 816 pages
...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 - Industrial arts - 1836 - 814 pages
...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 pages
...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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