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 88
Page xiii
... HEATING . HEAT INSULATION ( NON - CONDUCTING COVER- INGS ) : Necker's kindling compound ; Economical fuel ; Fuel from coal and rosin ; King's patent fuel ; Coal - dust fuel ( Loiseau's patent ) ; Blair's patent fuel ; Infusorial earth ...
... HEATING . HEAT INSULATION ( NON - CONDUCTING COVER- INGS ) : Necker's kindling compound ; Economical fuel ; Fuel from coal and rosin ; King's patent fuel ; Coal - dust fuel ( Loiseau's patent ) ; Blair's patent fuel ; Infusorial earth ...
Page xx
... heat ; To weld wrought - iron to wrought- iron at a white heat . Hardening compound to make wrought - iron very hard ; Welding cast- steel ; To harden files and other steel instruments ; To re - sharpen files . 239 Dr. Hartmann's ...
... heat ; To weld wrought - iron to wrought- iron at a white heat . Hardening compound to make wrought - iron very hard ; Welding cast- steel ; To harden files and other steel instruments ; To re - sharpen files . 239 Dr. Hartmann's ...
Page 3
... Heat the suspected butter in a crucible or test - tube , to about 300 ° to 320 ° F. At this temperature artificial butter froths but little , and the mass exhibits irregu- lar movements resembling those of boil- ing , accompanied by ...
... Heat the suspected butter in a crucible or test - tube , to about 300 ° to 320 ° F. At this temperature artificial butter froths but little , and the mass exhibits irregu- lar movements resembling those of boil- ing , accompanied by ...
Page 6
... heat consist of : Alloys which can be rolled when at Unalterable Alloy . This is used for objects of art. its melting point as between 150 ° and 159.8 ° F. The following proportions give the lowest melting points in both cases , 150 ° F ...
... heat consist of : Alloys which can be rolled when at Unalterable Alloy . This is used for objects of art. its melting point as between 150 ° and 159.8 ° F. The following proportions give the lowest melting points in both cases , 150 ° F ...
Page 10
... heat in a plate - glass furnace . When poured out and cold it is entirely colorless and transparent , and only assumes a beautiful ruby color after heating to a moderate red heat , 932 ° F. If exposed to a very strong pre - heat it ...
... heat in a plate - glass furnace . When poured out and cold it is entirely colorless and transparent , and only assumes a beautiful ruby color after heating to a moderate red heat , 932 ° F. If exposed to a very strong pre - heat it ...
Contents
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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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