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Книги Книги 1 - 10 из 10 по запросу ... inches long, and 10 inches wide, be bent in the centre at an angle of about sixty....
" ... inches long, and 10 inches wide, be bent in the centre at an angle of about sixty degrees, and then put to stand on the two ends, we shall have the form of a plate No. 1. properly bent for the scaling oven. The operation of cleansing, as it is called,... "
The Repertory of Patent Inventions, and Other Discoveries and Improvements ... - Стр. 119
1820
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Memoirs and Proceedings - Manchester Literary and Philosophical Society

Manchester Literary and Philosophical Society - 1819
...sort excepted, is that of a parallelogram, and that if a piece of stiff paper, or pasteboard, 1 04 inches long, and 10 inches wide, be bent in the centre...hundred plates, or eight boxes of 225 plates each. When the plates have been steeped for the time prescribed, they are taken out of the liquor, and placed...
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Memoirs of the Literary and Philosophical Society of Manchester

1819
...one sort excepted, is that of a parallelogram, and that if a piece of stiff paper, or pasteboard, 13| inches long, and 10 inches wide, be bent in the centre...hundred plates, or eight boxes of 225 plates each. When the plates have been steeped for the time prescribed, they are taken out of the liquor, and placed...
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The Quarterly Journal, Том 8

1820
...sort excepted, is that of a parallelogram, and that if a piece of stiff paper, or paste-board, 13f inches long, and 10 inches wide, be bent in the centre...hundred plates, or eight boxes of 225 plates each. When the plutes have been steeped for the time prescribed, they are taken out of the liquor, and placed...
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Annals of Philosophy, Or, Magazine of Chemistry, Mineralogy ..., Том 15

1820
...peculiar construction, after having been previously cleansed, as it is called ; that is, steeped for four or five minutes in a mixture of muriatic acid and water, in the proportion of four pounds acid to three gallons water. In the oven they remain red-hot, standing upright on the floor till the...
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The Annals of Philosophy, Том 15

Thomas Thomson, Richard Phillips, Edward William Brayley - 1820
...peculiar construction, after having been previously cleansed, as it is called ; that is, steeped for four or five minutes in a mixture of muriatic acid and water, in the proportion "Hour pounds acid to three gallons water. In the oven they remain red-hot, standing upright on the...
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Universal Science Or the Cabinet of Nature and Art, Comprising Above ..., Том 2

Alexander Jamleson - 1821
...tinning, and for the conveniency of patting them into the scaling furnace. The operation of cleansing, which is preparatory to the process of scaling, is...muriatic acid and water, in the proportion of four pounds to three gallons. This quantity of the diluted acid will generally be sufficient for 1800 plates, or...
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Chemical Essays: Principally Relating to the Arts and Manufactures of ..., Том 1

Samuel Parkes - 1823
...shall have the form of a plate No. 1 . properly bent for the scaling oven. The operation of cleansingy as it is called, and which is preparatory to the process...hundred plates, or eight boxes of 225 plates each. When the plates have been steeped for the time prescribed, they are taken out of the liquor, and placed...
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The Boston Journal of Philosophy and the Arts, Том 2

1825
...paste-board, 13| inches long, and 10 inches wide, be bent in the centre at an angle of about sixly degrees, and then put to stand on the two ends, we...This quantity of the diluted acid will generally be suflicient for eighteen hundred plates, or eight boxes of 225 plates each. When the plates have been...
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Journal of the Franklin Institute

1828
...sort excepted, is that of a parallelogram, and that if a piece of stiff' paper, or pasteboard, 1S£ inches long, and 10 inches wide, be bent in the centre...hundred plates, or eight boxes of 225 plates each. When the plates have been steeped for the time prescribed, they are taken out of the liquor, and placed...
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Steps to knowledge, or, Cyclopædia for youth. Bogg

Jane Bourne - 1859
...in thickness. Q. How are tin plates made ? A. Thin iron plates are well cleaned by steeping them for four or five minutes in a mixture of muriatic acid and water; they are then placed in an oven, until the heat causes a thick scale to fall off; they are next immersed...
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