 It is better, on this account, in graduating the bottle, to make two scratches as represented in the drawing, one at the top and the other at the bottom of the curve : this prevents any future mistake.  ... Transactions - Pàgina 3per North of England Institute of Mining and Mechanical Engineers - 1853Visualització completa - Sobre aquest llibre
 | 1839 - 272 pàgines
...reduction to ashes is prevented. The quantity of air admitted is regulated by the management of two holes, one at the top and the other at the bottom of the conical heap. The billets of wood, in pieces of about three feet in length, are arranged in the charring... | |
 | James Duncan - 1840 - 428 pàgines
...theory, with the rearing of brood, is produced by ventilation ; and this is effected by two openings, one at the top and the other at the bottom of the boxes, covered with pieces of perforated tin, and fitted with moveable shutters. For the convenience... | |
 | William Jardine - 1840 - 430 pàgines
...theory, with the rearing of brood, is produced by ventilation ; and this is effected by two openings, one at the top and the other at the bottom of the boxes, covered with pieces of perforated tin, and fitted with moveahle shutters. For the convenience... | |
 | Rev. William Dunbar, James Duncan - 1840 - 436 pàgines
...theory, with the rearing of brood, is produced by ventilation; and this is effected by two openings, one at the top and the other at the bottom of the boxes, covered with pieces of perforated tin, and fitted with moveable shutters. For the convenience... | |
 | 1871 - 410 pàgines
...these machines may be described as a chain of iron buckets made to revolve over or with two cylinders, one at the top, and the other at the bottom of the water. On reaching the top the buckets threw the sand on a canvass sheet, which was made to revolve... | |
 | Gibbons Merle - 1842 - 570 pàgines
...has not undergone much variation. After the soup, which should be of two sorts if the party be large, one at the top and the other at the bottom of the table, comes the first course, which consists of boiled and fried fish, served in the same way at the... | |
 | 1843 - 812 pàgines
...better, on this account, in graduating the bottle, to make two scratches, as represented in the sketch, one at the top and the other at the bottom of the curve, this prevents any future mistake ; the marks are easily made by a fine, sharp, three-square... | |
 | George Fownes - 1845 - 498 pàgines
...better on this account in graduating the bottle, to make two scratches, as represented in the drawing, one at the top and the other at the bottom of the curve: this prevents any future mistake. The marks are easily made by a fine, sharp, three-square file,... | |
 | Geological Society of London - 1899 - 826 pàgines
...only two or three. PI. XXXVI11, fig. 1, from a typical and well-preserved example, has only two — one at the top and the other at the bottom of the plate. This rudimentary tuberoulation recalls 31. cor-bovis. Size. — After comparing numerous examples,... | |
 | Charles Tomlinson - 1849 - 188 pàgines
...of hair-ropes, for which a band of flannel, or felt, is now substituted, passing over two rollers, one at the top, and the other at the bottom of the well. By means of the upper roller, it is set in very rapid motion, when the water adheres to its surface... | |
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