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" Pour on the engraving boiling water from a teakettle until the salt and lemon-juice be all washed off; the engraving will then be perfectly clean, and free from stains. It must be dried on the board, or on some smooth surface, gradually. If dried by the... "
The Magazine of Science, and Schools of Art - Page 352
1842
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Recreations in science; or, A complete series of rational amusement. By the ...

Recreations - 1830 - 262 pages
...fortyfive or fifty degrees with the horizon. Pour on the ensrravine boiling water from a tea-kettle, until the salt and lemon-juice be all washed off;...perfectly clean and free from stains. It must be dried gradually on the board, or some smooth surface. If dried by the fire, or the sun, it will be tinged...
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Journal of the Franklin Institute

1847 - 906 pages
...the horizon. Pour on the engraving boiling water from a tea kettle, until the salt and lemon Juice be all washed off; the engraving will then be perfectly...free from stains. It must be dried on the board or some smooth surface gradually. If dried by the fire or the sun, it will be tinged with a yellow color....
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The Druggist's General Receipt Book ...

Henry Beasley - 1857 - 562 pages
...angle of about 45° with the horizon. Pour lastly on the engraving boiling water from a tea-kettle, until the salt and lemonjuice be all washed off; the engraving will then appear perfectly clean, and free from stains. It must be dried gradually, on the same board, or on...
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The Gilder's Manual: A Complete Practical Guide to Gilding in All Its ...

1876 - 140 pages
...boiling water from a tea kettle until the salt and lemon juice be all washed off. The engraving then will be perfectly clean and free from stains. It must be dried on the board or some smooth surface gradually. If dried by the fire or the sun it will be tinged with a yellow color....
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Workshop Receipts: For the Use of Manufacturers, Mechanics and Scientific ...

Ernest Spon - 1879 - 478 pages
...degrees with the horizon. Pour on the engraving boiling water from a tea-kettle, until the salt ami lemon-juice be all washed off; the engraving will...the fire or the sun, it will be tinged with a yellow colour. Crayons, Method of Making. — White paste, used for white crayons or for a body for other...
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English Mechanic and World of Science: With which are ..., Volume 30

1880 - 656 pages
...angle of about 45 or 60 degrees with the horizon. Pour on the engraving boiling water from a tea-kettle until the salt and lemonjuice be all washed off ;...the fire or the sun it will be tinged with a yellow colour. — ASSISTANCE. [38216.]— Electric Vane.— If the editor can understand my rough sketch...
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Workshop receipts

Robert Haldane (of London.) - 1883 - 518 pages
...angle of about 45° or 50° with the horizon. Pour on the engraving boiling water from a teakettle until the salt and lemon-juice be all washed off;...the fire or the sun it will be tinged with a yellow colour. (3) Hydrochloric acid, oxalic acid, or eau de Javelle may be employed, weakened by water. After...
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Workshop Receipts ...

1883 - 496 pages
...of about 45 or 50 degrees with the horizon. Pour on the engraving boiling water from a tea-kettle, until the salt and lemon-juice be all washed off;...on some smooth surface, gradually. If dried by the tire or the sun, it will be tinged with a yellow colour. Crayons, Method of Making. — White paste,...
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The Universal Household Assistant: A Cyclopedia of what Everyone Should Know...

1884 - 548 pages
...degrees with the horizon. From a teakettle or other suitable vessel pour on the engraving boiling water, until the salt and lemon-juice be all washed off....engraving will then be perfectly clean and free from stain. It must be dried on the board, or on some smooth surface, gradually. If dried by the fire or...
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The Scientific American Cyclopedia of Receipts, Notes and Queries

Albert Allis Hopkins - 1901 - 734 pages
...until the salt and lemon juice be all washed off; the engraving will then be perfect lv clean, aud free from stains. It must be dried on the board, or...on some smooth surface, gradually. If dried by the tire or the sun, it will be tinged with a yellow color. 3. Hydrochloric acid, oxalic acid, or eau de...
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