The Techno-chemical Receipt Book: Containing Several Thousand Receipts, Covering the Latest, Most Important and Most Useful Discoveries in Chemical Technology, and Their Practical Application in the Arts and the Industries. Ed. Chiefly from the German Od Drs. Winckler, Elsner, Heintze [et Al.] |
From inside the book
Results 1-5 of 59
Page 12
... cleansed , mixed with the dissolved isinglass , and blown into the hollow beads by means of a special apparatus . While doing this the beads must be constantly revolved in order that the color may be uniformly deposited on the sides ...
... cleansed , mixed with the dissolved isinglass , and blown into the hollow beads by means of a special apparatus . While doing this the beads must be constantly revolved in order that the color may be uniformly deposited on the sides ...
Page 33
... cleansed and comminuted is boiled in a closed boiler with 5 parts by weight of dextrine and some acetate of ammonium ; the resulting jelly , of which as much as 7 per cent . may be dissolved in nitro - glycerine , forms with it a mass ...
... cleansed and comminuted is boiled in a closed boiler with 5 parts by weight of dextrine and some acetate of ammonium ; the resulting jelly , of which as much as 7 per cent . may be dissolved in nitro - glycerine , forms with it a mass ...
Page 35
... cleansed the next opera- tion is 2. Bleaching . This is accomplished by means of sulphurous acid . This gas has an entirely different effect from that of chlorine , as , instead of destroy- ing the coloring matter , or of transform- ing ...
... cleansed the next opera- tion is 2. Bleaching . This is accomplished by means of sulphurous acid . This gas has an entirely different effect from that of chlorine , as , instead of destroy- ing the coloring matter , or of transform- ing ...
Page 44
... cleansed with weak aquafortis , then rinsed , and the fluid applied with a brush . Should the color not be dark enough , heat the article until it cannot be held in the hand , and then give a coat of spirit of wine mixed with a little ...
... cleansed with weak aquafortis , then rinsed , and the fluid applied with a brush . Should the color not be dark enough , heat the article until it cannot be held in the hand , and then give a coat of spirit of wine mixed with a little ...
Page 46
... cleansed , then heated , and the liquid applied by means of a badger's hair brush . In a short time boiling water is poured over the medal , and , when dry , it is rubbed with a cot- ton rag dipped in oil and then with dry cotton . Blue ...
... cleansed , then heated , and the liquid applied by means of a badger's hair brush . In a short time boiling water is poured over the medal , and , when dry , it is rubbed with a cot- ton rag dipped in oil and then with dry cotton . Blue ...
Contents
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67 | |
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393 | |
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Other editions - View all
Common terms and phrases
acetate added alcohol allowed alum ammonia bath bleaching blue boiler boiling borax Brazil wood brush caoutchouc carbonate cement cent chalk chloride cleansed coat cold color compound cool copal copper decoction diluted dipped dissolved distilled drachms dried filter fluid fluid ounces gall-nuts gallons of water gelatine glass glue glycerine green heat hydrochloric acid lacquer lampblack leather lime linseed oil liquor logwood mass melted metal minium mixture moistened moulds nitrate nitric acid obtained oil of turpentine ounces oxide paper pint plate potash potassium pounds of sugar poured powder prepared pressed pulverized pyrolusite quantity rectified spirit rinsed rosin rubbed sal-ammoniac salt saltpetre sand shellac silver soap soda sodium solu solution spirit of wine stirring strain substances sulphate of iron sulphuric acid surface syrup tartar temperature tion varnish vessel vinegar warm washed water-glass wood yellow zinc
Popular passages
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