The Scientific American Cyclopedia of Receipts, Notes and Queries

Albert Allis Hopkins
Munn & Company, 1901 - 734 Seiten

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Seite 69 - ... in another vessel, dissolve as much isinglass, previously a little softened in water, (though none of the water must be used), in French brandy or good rum, as will make a...
Seite 137 - Body and bed clothing, etc. — It is best to burn all articles which have been in contact with persons sick with contagious or infectious diseases. Articles too valuable to be destroyed should be treated as follows...
Seite 137 - Close the rooms as tightly as possible, place the sulphur in iron pans, supported upon bricks placed in wash-tubs containing a little water, set it on fire by hot coals or with the aid of a spoonful of alcohol, and allow the room to remain closed for twenty-four hours. For a room about ten feet square, at least two pounds of sulphur .should be used ; for larger rooms, proportionately increased quantities. " 3. Premises. — Cellars, yards, stables, gutters, privies, cesspools, water-closets, drains,...
Seite 286 - Heat the solution of soap and add it boiling hot to the kerosene. Churn the mixture by means of a force pump and spray nozzle for five or ten minutes. The emulsion, if perfect, forms a cream which thickens on cooling and should adhere without oiliness to the surface of the glass.
Seite 231 - ... press, by first applying a composition formed of four parts of Armenian bole, and one of candied sugar, ground together with water to a proper consistence, and laid on by a brush with the white of an egg. This coating, when nearly dry, is smoothed by the burnisher, which is generally a crooked piece of agate, very smooth, and fixed in a handle.
Seite 111 - ... it well all over the marble, and the stains will be removed ; then wash the marble over with soap and water, and it •will be as clean as it was at first.
Seite 118 - Ox-gall and yolk of egg have the property of dissolving fatty bodies without affecting perceptibly the texture or colors of cloth, and may therefore be employed with advantage. The ox-gall should be purified, to prevent its greenish tint from degrading the brilliancy of dyed stuffs, or the purity of whites. Thus prepared it is the most precious of all substances known for removing these kinds of stains.
Seite 251 - Chloroform in a stoppered bottle, and shake them together frequently until solution has been effected. Then add the Carbonate of Lead previously mixed with the remainder of the Chloroform, and having several times shaken the whole together, set the mixture aside, and let it remain at rest until the insoluble matter has subsided. Lastly, decant the clear liquid, and keep it in a well-stopped bottle.
Seite 82 - Some shellac is pulverized, and then softened in ten times its weight of strong ammonia, whereby a transparent mass is obtained, which becomes fluid after keeping some little time, without the use of hot water. In three or four weeks the mixture is perfectly liquid, and, when applied, it will be found to soften the rubber.
Seite 47 - Cold water pumped into hot boilers is very injurious from sudden contraction. 7. Exterior of Boiler. — Care should be taken that no water comes in contact with the exterior of the boiler, either from leaky joints or other causes.

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