Mackenzie's five thousand receipts in all the useful and domestic artsTroutman & Hayes, 1853 - 456 من الصفحات |
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الصفحة 6
... solution The precipitate must be redissolved in vitriolic acid , and the iron and argil separated . Tin ores . Mix a quintal of tin ore , previously washed , pul- verized , and roasted , till no arsenical vapour arises , with half a ...
... solution The precipitate must be redissolved in vitriolic acid , and the iron and argil separated . Tin ores . Mix a quintal of tin ore , previously washed , pul- verized , and roasted , till no arsenical vapour arises , with half a ...
الصفحة 7
... solution be contaminated with iron , the copper must be re- dissolved in the same manner , and precipitated again . The sulphur may be separated by filtration . Copper , precipitated from its solutions by any agent whatever , is always ...
... solution be contaminated with iron , the copper must be re- dissolved in the same manner , and precipitated again . The sulphur may be separated by filtration . Copper , precipitated from its solutions by any agent whatever , is always ...
الصفحة 8
... solution of the ore in nitrous acid , or aqua regia , and evaporate to dryness ; the residuum , treated with the acetous acid , will yield to it the cobaltie part ; the arsenic should be first precipi- uated by the addition of water ...
... solution of the ore in nitrous acid , or aqua regia , and evaporate to dryness ; the residuum , treated with the acetous acid , will yield to it the cobaltie part ; the arsenic should be first precipi- uated by the addition of water ...
الصفحة 9
... solution may contain iron , cop- per , manganese , calcareous earth , or argil ; if it be evaporated to dryness , and the residuum heated to redness for half an hour , volatile alkali will extract the copper ; dephlogisticated nitrous ...
... solution may contain iron , cop- per , manganese , calcareous earth , or argil ; if it be evaporated to dryness , and the residuum heated to redness for half an hour , volatile alkali will extract the copper ; dephlogisticated nitrous ...
الصفحة 11
... solution of potass in water ; and the metallic cast will be pre- served in an isolated state . For cushions of electrical machinery . Melt together in a crucible 2 drachms of zine and 1 of tin ; when fused , pour them into a cold ...
... solution of potass in water ; and the metallic cast will be pre- served in an isolated state . For cushions of electrical machinery . Melt together in a crucible 2 drachms of zine and 1 of tin ; when fused , pour them into a cold ...
عبارات ومصطلحات مألوفة
acid alum antimony applied aqua fortis bark beer blue boil bottle brandy butter calcined cask clean cloth colour cool copal copper costive cover crop decoction dissolved distilled dose drachms dried dung eggs fermentation fire flour four fresh gallons glass grains green ground gum arabic half an ounce heat hive inches iron isinglass juice keep laudanum lemon lime linen linseed oil liquor litharge malt matrass melted milk mixed mixture nitrous acid nutmeg ounces painting piece pint plants plough pound powder prepared produce proper Prussian blue quantity quart quarter roots salt seed shades skin soap soft soil solution spirit of wine stir stone strain straw sufficient sugar sulphur Take taken tartar thick thin tincture tint tion trees turpentine varnish vessel vinegar vitriol warm wash whole wood wort yeast yellow
مقاطع مشهورة
الصفحة 2 - States entitled an act for the encouragement of learning hy securing the copies of maps, charts and books to the author., and proprietors of such copies during the times therein mentioned, and also to an act entitled an act supplementary to an act, entitled an act for the encouragement of learning by securing the copies of maps, charts and books to the authors and proprietors of such copies during the times therein mentioned and extending the benefits thereof to the arts of designing, engraving and...
الصفحة 115 - Boil one pound of good flour, a quarter of a pound of brown sugar, and a little salt, in two gallons of water, for one hour. When milk-warm, bottle it, and cork it close. It will be fit for use in twenty-four hours.- One pint of this yeast will make eighteen pounds of bread.
الصفحة 2 - Co. of the said district, have deposited in this office the title of a book, the right whereof they claim as proprietors, in the words following, to wit : " Tadeuskund, the Last King of the Lenape. An Historical Tale." In conformity to the Act of the Congress of the United States...
الصفحة 373 - Provide pint or quart bottles, which must be perfectly clean, sweet and dry ; draw the milk from the cow into the bottles, and as they are filled, immediately cork them well up, and fasten the corks with pack-thread or wire. Then spread a little straw...
الصفحة 171 - ... a quarter of a pound of butter, a quarter of a pound of moist sugar, and a handful of caraway seeds.
الصفحة 16 - Put into an earthen mortar some Gold leaf, with a little honey, or thick gum-water ; and grind the mixture, till the Gold is reduced to extremely minute particles. When this is done, a little warm water will wash out the honey or gum, leaving the Gold behind in a pulverulent state.
الصفحة 68 - ... brush. A small rim is then made round the circumference, with a thin brass band rising a little above the level, and a similar rim round the margin of the central hole. The use of these is to confine the enamel when in fusion, and to keep the edges of the plate quite neat and even. The substance of the enamel is a fine white opaque glass ; this is bought in lump by the...
الصفحة 78 - Mordants not only render the dye permanent, but have also considerable influence on the colour produced. The same colouring matter produces very different dyes, according as the mordant is changed. Suppose, for instance, that the colouring matter...
الصفحة 15 - A little practice will enable the workman to judge of the heat. The tool is now to be pressed downwards on the gold leaf, which will, of course, be indented and show the figure imprinted on it. The next letter or stamp is now to be taken and stamped in like manner, and so on with the others; taking care to keep the letters in an even line with each other, like those in a book. By this operation the resin is melted; consequently the gold adheres to the leather. The superfluous gold may then be rubbed...
الصفحة 373 - Then spread a little straw at the bottom of a boiler, on which place bottles with straw between them, until the boiler contains a sufficient quantity. Fill it up with cold water; heat the water, and as soon as it begins to boil, draw the fire, and let the whole gradually cool. When quite cold, take out the bottles and pack them in saw-dust, in hampers, and stow them in the coolest part of the house.