CHAPTER XII.
Economical Process.
| Working Loss | [175] |
| Lowest Estimate Real Loss | [175] |
| Total Working Loss | [176] |
| Shop Floors | [177] |
| Waste-saving Precautions | [177], [178] |
| Treatment of Waste | [178] |
| Burning of Polishings | [179] |
| Treatment of Waste Liquids | [180] |
| Processes for the Recovery of Silver from Waste Waters | [180], [182] |
| Chloride of Silver | [183] |
| Aqua-regia | [183] |
| Precipitating Silver in Waste Waters | [183] |
| Solution for Precipitation | [184] |
| Sediment in Collecting-vessels | [185] |
CHAPTER XIII.
Licences and Duties.
| Acts of the Legislature | [186] |
| 43 George III., c. 69 | [186] |
| 6 George I., c. 11 | [187] |
| 31 George II., c. 32 | [188] |
| 32 George II., c. 14 | [188] |
| 24 George III., c. 53 | [188] |
| 37 George III., c. 90 | [188] |
| 44 George III., c. 98 | [189] |
| 55 George III., c. 185 | [189] |
| Table of Various Duties | [189] |
| Manufactured Plate | [190] |
| Remarks on the Licence Question | [191], [196] |
| Act of Parliament in Licences | [193] |
| Clause of Act | [193], [194] |
| Tax or Licence unjustly Assessed | [195], [196] |
CHAPTER XIV.
Useful Information for the Trade.
| Silversmith’s Alloys | [197] |
| Silver Wares | [197] |
| Cleaning Plate | [198] |
| Imitation Silver | [198] |
| Another | [198] |
| Removing Gold from Silver Articles | [198] |
| Oxidizing Silver | [198] |
| Dipping Mixture | [199] |
| Silver Powder for Copper | [199] |
| Powder for Silver | [200] |
| To protect the Polish of Metals | [200] |
| Silver-stripping Mixture | [200] |
| Stripping Silver | [201] |
| Soft Solder | [201] |
| Soldering Fluid | [201] |
| Dissolving Silver | [202] |
| Dissolving Silver Alloy | [202] |
| Dissolving Copper | [202] |
| Dissolving Soft Solder | [202] |
| Dissolving Silver Solder | [202] |
| Dissolving Sealing-wax | [202] |
| Resist Varnish | [202] |
| Plate Powder | [202] |
| Electro-plating Soft Solder | [202] |
| Another Recipe | [203] |
| Testing Silver Wares | [203] |
| Another Test | [204] |
| Perchloride of Iron | [205] |
| Aluminium Alloy | [205] |
| New Alloy | [205] |
| Removing Gold from Silver Wares | [205] |
| Silver Plating Fluid | [206] |
| Plate-cleaning Powder | [206] |
| Solder for Aluminium | [206] |
CHAPTER XV.