Henley's Twentieth Century Forrmulas, Recipes and Processes: Containing Ten Thousand Selected Household and Workshop Formulas, Recipes, Processes and Moneymaking Methods for the Practical Use of Manufacturers, Mechanics, Housekeepers and Home Workers

Portada
Gardner Dexter Hiscox
Norman W. Henley, 1914 - 807 páginas
 

Otras ediciones - Ver todas

Términos y frases comunes

Pasajes populares

Página 354 - During the last few years considerable progress has been made in the attempt to renovate butter in such a way that it will appear like fresh butter in all respects.
Página 64 - This is composed of 8 parts of bismuth, 5 of lead, and 3 of tin. It melts at 176° F.
Página 543 - The greater of these is the distance the sensitive plate must be from the center of the lens; and the lesser, the distance of the picture to be copied. To reduce a picture any given number of times...
Página 543 - Almanac. The object of this table Is to enable any manipulator who is about to enlarge (or reduce) a copy any given number of times, to do so without troublesome calculation. It is assumed that the photographer knows exactly what the focus of his lens is, ami that he is able to measure accurately from its optical centre.
Página 548 - According to his method the table is made out for a distance from the camera 100 times that of the focus of the lens; that is, for a 6-inch focus lens at 50 feet, a 7-inch at 58 feet, an 8-inch at 67 feet, a 9-inch at 75 feet, or a 12-inch at 100 feet.
Página 594 - Wash well the prepared surfaces and leave them until perfectly dry, then take a linen cushion, moistened only with water, and a little powder of calcined tin of the first quality. After rubbing with this for some time take another cushion of dry rags, rub with it lightly, brush away any foreign substance which might scratch the marble, and a perfect polish will be obtained. A little alum mixed with the water used penetrates the pores of the marble, and gives it a speedier polish. This polish spots...
Página 579 - The precipitate, if by copper, must be digested in distilled vinegar, and then washed, by pouring water over it repeatedly, and dried.
Página 520 - Orange flower water 1 1 pounds Musk 5 grains Ambergris 5 grains Grind the musk and ambergris in a glass mortar, and afterwards put all together into a digesting vessel, and let them circulate 3 days and 3 nights in a gentle heat; then let all cool. Filter, and keep the water in bottles well stoppered. II. — Oil of cloves 2} drachms Oil of bergamot .... 10 drachms English oil of lavender 2i drachms Musk 4 grains Yellow sandal wood.
Página 506 - The size may be made by dissolving a little isinglass in boiling water, or by Boiling some clean parchment cuttings until they form a clear solution. This, after being strained through a piece of clean muslin, or, for very nice purposes, clarified with a little white of egg, is applied by means of a small clean brush called by painters a sash tool.
Página 47 - ... of copper) scarcely undergo any permanent change in form when subjected to tension by the same weight. The same chemist gives the following approximate results upon the tenacity of certain metals and wires hard-drawn through the same gauge (No. 23): Pounds Copper, breaking strain 25-30 Tin, breaking strain under 7 Lead, breaking strain under 7 Tin-lead (20% lead) about 7 Tin-copper (12% copper). . .about 7 Copper-tin (12% tin) about 80-90 Gold (12% tin...

Información bibliográfica