Workshop Receipts ...E. & F. N. Spon, 1883 |
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Página 19
... effect will be a bright black and not a dead black . Now Black Bronze for Brass . - Dip the article bright in aquaforts ; rinse the acid off with clean water , and place it in the following mixture until it turns black : -Hydrochloric ...
... effect will be a bright black and not a dead black . Now Black Bronze for Brass . - Dip the article bright in aquaforts ; rinse the acid off with clean water , and place it in the following mixture until it turns black : -Hydrochloric ...
Página 19
... effect , which does not often happen if the colours are tenacious , such as red and blue , let the treatment with the alkaline ley be repeated , and follow it with another bath of the chlorine pre- paration . Then 14 WORKSHOP RECEIPTS .
... effect , which does not often happen if the colours are tenacious , such as red and blue , let the treatment with the alkaline ley be repeated , and follow it with another bath of the chlorine pre- paration . Then 14 WORKSHOP RECEIPTS .
Página 19
... effect will be a bright black and not a dead black . Now | Black Bronze for Brass . - Dip the article bright in aquaforts ; rinse the acid off with clean water , and place it in the following mixture until it turns black - Hydrochloric ...
... effect will be a bright black and not a dead black . Now | Black Bronze for Brass . - Dip the article bright in aquaforts ; rinse the acid off with clean water , and place it in the following mixture until it turns black - Hydrochloric ...
Página 22
... effect a thorough adhesion . Cements that are used in a fused state , as resin or shellac , will not adhere unless the parts to be joined are heated to the fusing point of the cement . Sealing - wax , or ordinary electrical cement , is ...
... effect a thorough adhesion . Cements that are used in a fused state , as resin or shellac , will not adhere unless the parts to be joined are heated to the fusing point of the cement . Sealing - wax , or ordinary electrical cement , is ...
Página 27
... small wide - mouth bottle , and when required for use pour some of the thick sediment into a saucer , and rub it well over the hands with pumice - stone or a effect . Crayons , COLOURS FOR.- White.- The best whites WORKSHOP RECEIPTS . 27.
... small wide - mouth bottle , and when required for use pour some of the thick sediment into a saucer , and rub it well over the hands with pumice - stone or a effect . Crayons , COLOURS FOR.- White.- The best whites WORKSHOP RECEIPTS . 27.
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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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