 | 1834 - 576 Seiten
...This instrument consists of two very heavy cast-iron wheels, aa, with angular edges, set on an axle, at a distance from each other equal to the width of the furrows, and a lighter wheel, 6, to keep the instrument vertical. It is drawn by a horse immediately... | |
 | 1835 - 428 Seiten
...passes between two small brackets, 14, fitted to and sliding on the doctor, s, and best seen in fig. 7, at a distance from each other equal to the width of the web, and connected by a wire, 15, in the space between which and the doctor the web passes to put the... | |
 | 1839 - 272 Seiten
...now cut exactly square by means of a small tool formed of two narrow slips of ivory fixed in a frame at a distance from each other equal to the width of the leaf, being lifted from the cushion on which they arc cut by means of a pair of tweezers, fig. 4. They... | |
 | Edward Andrew Parnell - 1846 - 770 Seiten
...passes between two small brackets, 14, fitted to and sliding on the doctor, s, and best seen in fig. 7, at a distance from each other equal to the width of the web, and connected by a wire, 15, in the space between which and the doctor the web passes to put the... | |
 | William Mitchell Gillespie - 1847 - 460 Seiten
...of timber trusses. Piles of 15 inches diameter, not sharpened, are driven so as to form two lines, at a distance from each other equal to the width of the railroad. Transverse ties are fastened across their tops, which are braced by inclined struts, the... | |
 | Johann Georg Heck - 1851 - 814 Seiten
...ends and left to itself. If now in lieu of the thread, two chains or wire cables be imagined suspended at a distance from each other equal to the width of the bridge, with the roadway suspended horizontally by rods of different lengths from these cables, we... | |
 | William Mitchell Gillespie - 1852 - 400 Seiten
...of timber trusses. Piles of 15 inches diameter, not sharpened, are driven so as to form two lines, at a distance from each other equal to the width of the railroad. Transverse ties are fastened across their tops, which are braced by inclined struts, the... | |
 | 1852 - 814 Seiten
...and left to itself. If now, in lieu of the thread, two chains or wire cables be imagined, suspended at a distance from each other equal to the width of the bridge, with the roadway suspended horizontally by rods of different lengths from fhese cables, we... | |
 | William Lewis Rham - 1855 - 522 Seiten
...This instrument consists of two very heavy castiron wheels, aa, with angular edges, set on an axle, at a distance from each other equal to the width of the farrows, and a lighter wheel, 6, to keep the instrument vertical. It is drawn by a horse immediately... | |
 | 1856 - 176 Seiten
...and left to itself. If now, in lieu of the thread, two chains or wire cables be imagined, suspended at a distance from each other equal to the width of the bridge, with the roadway suspended 624 horizontally by rods of different lengths from these cables,... | |
| |
It is drawn by a horse immediately after the plough, pressing two furrows at once, and going twice over each furrow. 
