Workshop Receipts ...E. & F. N. Spon, 1883 |
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Página 19
... gold , is extensively used by the French workinen in metals . it is generally found in combination with grate and stove work . It is com- posed of a greater portion of copper and less zinc than ordinary brass , is cleaned readily by ...
... gold , is extensively used by the French workinen in metals . it is generally found in combination with grate and stove work . It is com- posed of a greater portion of copper and less zinc than ordinary brass , is cleaned readily by ...
Página 19
... Gold , is used as a cheap bronze powder . It is rubbed on with the finger . Another way to prepare it is to take quicksilver , tin , sulphur , and sal ammoniac , equal parts . First melt the tin , theu pour the quicksilver into it ...
... Gold , is used as a cheap bronze powder . It is rubbed on with the finger . Another way to prepare it is to take quicksilver , tin , sulphur , and sal ammoniac , equal parts . First melt the tin , theu pour the quicksilver into it ...
Página 19
... Gold Powder for Bronzing.- Leaf gold is ground with virgin honey on a stone , until the leaves are broken up and minutely divided . The mix- ture is removed from the stone by a spatula , and stirred up in a basin of water , whereby the ...
... Gold Powder for Bronzing.- Leaf gold is ground with virgin honey on a stone , until the leaves are broken up and minutely divided . The mix- ture is removed from the stone by a spatula , and stirred up in a basin of water , whereby the ...
Página 19
... gold size there is the better , so that the lamp- black just sticks together ; if too much gold size be added , the effect will be a bright black and not a dead black . Now | Black Bronze for Brass . - Dip the article bright in ...
... gold size there is the better , so that the lamp- black just sticks together ; if too much gold size be added , the effect will be a bright black and not a dead black . Now | Black Bronze for Brass . - Dip the article bright in ...
Página 42
... gold - coloured spangles of mica , Dutch and 1 oz . of powdered alum . Stir well leaf , or gold . and boil till it becomes thick . Putty . - Mix a quantity of whiting into a very stiff paste with linseed oil , rubbing and beating it ...
... gold - coloured spangles of mica , Dutch and 1 oz . of powdered alum . Stir well leaf , or gold . and boil till it becomes thick . Putty . - Mix a quantity of whiting into a very stiff paste with linseed oil , rubbing and beating it ...
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Termos e frases comuns
allowed alum ammonia antimony applied bath blue boiling borax bottle brass brush burnished calcined carbonate chloride clean cloth coat cold collodion colour cool copper covered cyanide deposit diluted dipped dissolved dried edge filter fire fustic gallons gelatine gilding glass glaze glue gold grains ground gutta-percha heat hydrochloric acid immersed inch iron leather lime linseed oil liquid liquor litharge logwood marble melted mercury metal mixed mixture mould nitrate nitrate of silver nitric acid oxide paint paper pearlash piece pint plate polish potash powder precipitate prepared pure quantity removed sal ammoniac salt seed-lac shellac soap soda soft solder solution spirits of wine stirring stone sufficient sulphate sulphuric acid surface thick thin tint tion turpentine varnish vessel warm wash white-lead wire wood yellow zinc
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