 | 1844 - 444 páginas
...In this stage I take the madder and place it upon a perforated lead plate, which is fixed about five or six inches above the bottom of a vessel. Between this plate and the bottom of the vessel I introduce a current of steam by a pipe, so that it passes through the perforated plate and the madder... | |
 | 1844 - 580 páginas
...acid. In this stage the madder is placed upon a perforated leaden plate, which is fixed about five or six inches above the bottom of a vessel. Between...from one to two hours, a substance is produced, of a dark-brown color, approaching to a black. This substance is Garancine, and insoluble carbonised matter.... | |
 | William Newton, Charles Frederick Partington - 1844 - 536 páginas
...acid. In this stage the madder is placed upon a perforated leaden plate, which is fixed about five or six inches above the bottom of a vessel. Between...from one to two hours, a substance is produced, of a dark-brown color, approaching to a black. This substance is Garancine, and insoluble carbonized matter.... | |
 | William Newton - 1844 - 540 páginas
...acid. In this stage the madder is placed upon a perforated leaden plate, which is fixed about five or six inches above the bottom of a vessel. Between...from one to two hours, a substance is produced, of a dark-brown color, approaching to a black. This substance is Garancine, and insoluble carbonized matter.... | |
 | 1844 - 564 páginas
...acid. In this stage the madder is placed upon a perforated leaden plate, which is fixed about fire or six inches above the bottom of a vessel> Between...from one to two hours, a substance is produced, of a dark-brown colour, approaching to a black. This substance is garancine, and insoluble carbonized matter.... | |
 | 1844 - 576 páginas
...the acid. In this stage the madder is placed upon a perforated lead plate, which is fixed about five or six inches above the bottom of a vessel. Between this plate and the bottom of the vessel is introduced a current of steam by a pipe, so that it passes through the perforated plate and the... | |
 | 1844 - 950 páginas
...and place it upon a perforated lead plate, which is fixed about five, or six, inches above the botlom of a vessel. Between this plate and the bottom of the vessel; I introduce a current of steam by a pipe. so that it passes through the perforated plate, and the madder... | |
 | Great Britain. Courts, Frederick Augustus Carrington, Andrew Valentine Kirwan - 1850 - 1168 páginas
...bottom of a vessel. Between this plate and the bottom of the vessel I introduce a current of steam by a pipe, so that it passes through the perforated...substance is garancine and insoluble carbonized matter. I next throw this substance on the floor to cool ; when cool I place it upon a filter, and wash it... | |
 | Andrew Ure - 1845 - 312 páginas
...the acid. In this stage the madder is placed upon a perforated lead plate, which is fixed about five or six inches above the bottom of a vessel. Between this plate and the bottom of the vessel is introduced a current of steam by a pipe, so that it passes through the perforated plate and the... | |
 | Charles W. Vincent, James Mason - 1845 - 328 páginas
...and are next placed upon a perforated lead plate, placed about 5 or 6 inches above the bottom of the vessel. Between this plate and the bottom of the vessel a current of steam is introduced, so that it passes through the perforated shelve, and the madder which rests upon it. During this process,... | |
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Between this plate and the bottom of the vessel a current of steam is introduced, by a pipe, so that it passes through the perforated plate, and the madder which is upon it. During this process, which occupies from one to two hours, a substance is produced,... 
