 | Daniel Adams - 1850 - 144 Seiten
...needles, awls, &c., are modifications of the wedge. The angle of the cutting edge of the wedge is made more or less acute, according to the purpose to which it is to be applied. In tools for cutting wood, the angle is generally about 30° ; for iron, it is from... | |
 | Denison Olmsted - 1851 - 492 Seiten
...occurred in which the wedge has been used to restore a tottering edifice to its perpendicular position. All cutting and piercing instruments, such as knives....applied. In determining this, two things are to be considered — the mechanical power, which is increased by diminishing the angle of the wedge ; and... | |
 | Dionysius Lardner - 1851 - 804 Seiten
...razors, shears, sossors, chisels, nails, pins, needles, &c., are wedges. The angle of the wedge in all these cases is more or less acute, according to the purpose to which it is applied. Chisels intended to cut wood have their edge at an angle of about 30° ; for cutting iron from 50°... | |
 | David Ames Wells - 1856 - 598 Seiten
...tools '•*. instruments ? A. All cutting and piercing instruments^ such: as-1enivfsl razors, scissors, nails) pins, needles, awls, &c., are wedges. The angle of the wedge is more or less acute in these instances, according to the purpose to which it is to be applied; In... | |
 | Denison Olmsted - 1857 - 468 Seiten
...occurred in which the wedge has been used to restore a tottering edifice to its perpendicular position. All cutting and piercing instruments, such as knives,...needles, awls, &c., are wedges. The angle of the wedge, m these cases, is more or less acute, according to the purpose to which it is applied. In determining... | |
 | Denison Olmsted - 1858 - 468 Seiten
...restore a tottering edifice to its perpendicular position. All cutting and piercing instruments, such-as knives, razors, scissors, chisels, nails, pins, needles, awls, &c., are wedges. The angle of the wedge, m these cases, is more or less acute, according to the purpose to which it is applied. In determining... | |
 | Dionysius Lardner - 1858 - 438 Seiten
...razors, shears, scissors, chisels, nails, pins, needles, &c., are wedges. The angle of the wedge in all these cases is more or less acute, according to the purpose to which it is applied. Chisels intended to cut wood have their edge at an angle of about 30° ; for cutting iron from 50°... | |
 | David Ames Wells - 1857 - 492 Seiten
...instruments, mich as knives, razors, chisels, nails, pins, etc., are wedges. The angle of the wedge in all these cases is more or less acute, according to the purpose to which it is applied. Chisels intended to cut wood have their edges at an angle of about 30° ; for cutting iron from 50°... | |
 | David Ames Wells - 1858 - 466 Seiten
...etc., are wcdgca ples^offte^use The J^JQ of ttie we( jge in all these cases is more or of the Wedge less acute, according to the purpose to which it is applied. in the arts 1 Chisels intended to cut wood have their edges at an angle of about 30° ; for cutting iron... | |
 | Denison Olmsted - 1859 - 620 Seiten
...occurred in which the wedge has been used to restore a tottering edifice to its perpendicular position. All cutting and piercing instruments, such as knives,...chisels, nails, pins, needles, awls, &c. are wedges. The ingle of the wedge in these cases, is more or less acute, according to the purpose to which it is applied.... | |
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The' pressure thus excited is so intense, that the seeds in the bags are formed into a mass nearly as solid as wood. Instances have occurred in which the wedge has been, used to restore a tottering edifice to its perpendicular position. All cutting and... 
