 | Samuel Parkes - 1807 - 382 pages
...and, when washed and properly dried, is thrown hick into the furnace, and by constant stirring for 48 hours, so as to expose every part to the action of the air, it bee. tries red lead, and is taken out for use. Twenty cwt of lead generally give iz cwt. of red... | |
 | Samuel Parkes - 1814 - 584 pages
...and, when washed and properly dried, is thrown back into ihe furnace, and by constant stirring for 48 hours, so as to expose every part to the action of the air, it becomes red lead, and is taken out for use. Twenty cwt. of lead generally give 22 cwt. of red lead... | |
 | Samuel Frederick Gray - 1830 - 490 pages
...regard to their material. They use the turpentine obtained by incision from the terminalia ver/ nix, which becomes a hard black rosin by exposure to the...boiled to a proper consistence. For coarse work lamp black is added. The japanning of Europeans is differently performed; but the work bears a near resemblance... | |
 | John Timbs - 1831 - 302 pages
...properly dried, is thrown back into the furnace ; and this, by constant stirring for thirty or forty hours, so as to expose every part to the action of the air, becomes red lead, and is taken out for use. Twenty cwt. of lead generally give 22 cwt. of red lead... | |
 | John Timbs - 1832 - 362 pages
...properly dried, is thrown back into the furnace ; and this, by constant stirring for thirty or forty hours, so as to expose every part to the action of the air, becomes red lead, and is taken out for use. Twenty cwt. of lead generally give 22 cwt. of red lead... | |
 | 1844 - 1200 pages
...moistening it well as often as there is any liquid to throw over it, and by repeatedly turning it over, so as to expose every part to the action of the air, the seeds which may be in it will all or most of them vegetate, and instead of filling a farm full... | |
 | 1836 - 784 pages
...properly dried, is thrown back into the furnace ; and thus, by constant stirring for thirty or fort; hours, so as to expose every part to the action of the air, absorbs another portion of oxygen and becomes red lead, and is taken out for use. Twenty cwt. of lead... | |
 | Hugo Reid - 1837 - 402 pages
...and, when washed and properly dried, is thrown back into the furnace, and by constant stirring for 48 hours, so as to expose every part to the action of the air, it becomes red lead, and is taken out for use. Twenty cwt. of lead generally give 22 cwt of red lead... | |
 | Alexander Henry - 1861 - 226 pages
...carbon of cast iron are expelled ; the metal being reduced by heat to a pasty condition, and stirred so as to expose every part to the action of the air. Pug-mill. A machine for mixing and tempering clay, consisting of an iron cylinder, in which the clay... | |
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They use the turpentine obtained by incision from the terminalia ver/ nix, which becomes a hard black rosin by exposure to the air. To hasten this effect it is put into very shallow bowls, and continually stirred with an iron rod during twenty-four hours,... 