 | 1842 - 428 sider
...camel-hair pencil, and work them into a liquid paste, which must be moved about over the intended engraving, for a period varying from one to five minutes, according to the depth of lines required to be produced. Afterwards wash the whole in clean water. Persons acquainted... | |
 | Arnold James Cooley - 1845 - 878 sider
...camel-hair pencil, and work them into a liquid paste, which must be moved about over the intended engraving, for a period varying from one to five minutes, according to the depth of lines required to be produced. Afterwards wash the whole in clean water. Persons acquainted... | |
 | 1847 - 654 sider
...mercury in nitric acid, or I immerse it in a boiling and concentrated solution of chloride of zinc, from a period varying from one to five minutes, according...putting them into the acid, while the metal is in the conrse of being dissolved, and the gas evolved, or by introducing them into a chamber in which the... | |
 | William Newton - 1849 - 510 sider
...usual method of dissolving a metal, such as zinc, copper, or mercury, in nitric acid), or he immerses it in a boiling and concentrated solution of chloride...the strength of the solution; and, in either case, he afterwards washes the material with some alkaline solution, or with soft water. The material may... | |
 | William Newton, Charles Frederick Partington - 1849 - 507 sider
...usual method of dissolving a metal, such as zinc, copper, or mercury, in nitric acid), or he immerses it in a boiling and concentrated solution of chloride...the strength of the solution ; and, in either case, he afterwards washes the material with some alkaline solution, or with soft water. The material may... | |
 | Arnold James Cooley - 1854 - 1060 sider
...camel-hair pencil, and work them into a liquid paste, which must be moved about over the intended engraving, for a period varying from one to five minutes, according to the depth of lines required to be produced. Afterwards wash the whole in clean water. Persons acquainted... | |
 | Sheridan Muspratt - 1860 - 320 sider
...usual method of dissolving a metal, such as zinc, copper, or mercury, in nitric acid, or by immersing it in a boiling and concentrated solution of chloride...minutes, according to the strength of the solution. In either case, the materials are afterwards well washed in some alkaline solution, or in soft water.... | |
 | Arnold James Cooley - 1872 - 1244 sider
...into a liquid paste with n camel-hair pencil. The paste is then moved about over the intended etching, for a period varying from one to five minutes, according to the depth of the lines required to be produced. Afterwards the whole is removed, and reapplied, &c., as... | |
 | 1872 - 334 sider
...Strychnia, the former will pulsate regularly for more than an hour; the latter will cease to beat in from one to five minutes according to the strength of the solution of the poison. Eigor mortis speedily supervenes." This speedy disappearance of the signs of vitality... | |
 | Hints - 1880 - 172 sider
...camel-hair pencil, and work them into a liquid paste, which must be moved about over the intended engraving for a period varying from one to five minutes, according to the depth of lines required to be produced. Afterwards wash the whole in clean water. Persons acquainted... | |
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I immerse it in a boiling and concentrated solution of chloride of zinc, for a period varying from one to five minutes, according to the strength of the solution. And in either case I afterwards wash the materials well in some alkaline solution or in... 
