Galvanoplastic Manipulations: A Practical Guide for the Gold and Silver Electroplater and the Galvanoplastic Operator ... Based Largely on the "Manipulations Hydroplastiques" of Alfred Roseleur |
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Page x
... Bronze , in contact with Cuttings of Tin in a Boiling Solution of Peroxide of Tin in Caustic Potash ; Electro - tinning , best Bath for this purpose . 150 151 152 153 154 • 154 PAGE 155 • 156 • 157 158 160 • 162 X CONTENTS .
... Bronze , in contact with Cuttings of Tin in a Boiling Solution of Peroxide of Tin in Caustic Potash ; Electro - tinning , best Bath for this purpose . 150 151 152 153 154 • 154 PAGE 155 • 156 • 157 158 160 • 162 X CONTENTS .
Page xxvii
... Boiling Pans Brushes Burnishing Tools ; Evaporating Dishes or Capsules Retorts ; Conducting Wires , Rheophores Glass Jars ; Crucibles Depositing Vats , Troughs ; Diaphragms , Porous Cells Scratch - Brushes . 596 599 600 601 602 603 604 ...
... Boiling Pans Brushes Burnishing Tools ; Evaporating Dishes or Capsules Retorts ; Conducting Wires , Rheophores Glass Jars ; Crucibles Depositing Vats , Troughs ; Diaphragms , Porous Cells Scratch - Brushes . 596 599 600 601 602 603 604 ...
Page 27
... only are indispensable ; the third and sixth may be dispensed with in many cases , which we shall examine further on . prolonged boiling in alkaline solutions , either of potassa or CLEANSING . 27 The Cleansing Baths.
... only are indispensable ; the third and sixth may be dispensed with in many cases , which we shall examine further on . prolonged boiling in alkaline solutions , either of potassa or CLEANSING . 27 The Cleansing Baths.
Page 28
... boiling in alkaline solutions , either of potassa or soda , which saponify the fatty substances and thus render them soluble in water . The operation is performed in a cast - iron kettle , in which a more or less concentrated solution ...
... boiling in alkaline solutions , either of potassa or soda , which saponify the fatty substances and thus render them soluble in water . The operation is performed in a cast - iron kettle , in which a more or less concentrated solution ...
Page 45
... boiling pickle of diluted sulphuric acid , which trans- forms the oxide into sulphate and dissolves it , while not sensibly attacking the silver . If the heat has been sufficiently protracted for oxidizing all the copper on the surface ...
... boiling pickle of diluted sulphuric acid , which trans- forms the oxide into sulphate and dissolves it , while not sensibly attacking the silver . If the heat has been sufficiently protracted for oxidizing all the copper on the surface ...
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Common terms and phrases
added adherent alkaline alloys amalgam ammonia ammonium anode aqua fortis aqua regia battery become bisulphite boiling bright bronze brush burnished carbonate cast-iron CHAPTER chloride of gold cleansed coating cold color common salt copper or brass cream of tartar cyanide of potassium dead lustre described diluted dipping dissolved distilled water electric current electro electro-deposits electro-gilding Electro-Metallurgy employed filtered fire-gilding formula galvanic galvanoplastic gilders gilding bath glass gutta percha heat hydrochloric acid iron liquid mercury metal method mixture mould nickel nitrate nitrate of silver nitric acid objects obtained operation ormolu ounces oxide pieces plate platinum porcelain powder precipitate preferable prepared proportion pure pyrophosphate quantity rapidly removed require rinsed Roseleur sal-ammoniac scratch-brushed shade silvering bath simple immersion small articles soda sodium solution steel stirring stoneware sufficient sulphate of copper sulphuric acid surface thickness thin tion varnish vessel washed wire zinc
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