CONSTRUCTION AND MAINTENANCE OF TANNERIES.
Selection of site — Arrangement of buildings — Fire insurance — Automatic sprinklers — Possibility of extension — Production and distribution of power — Electric motors — Shafts, pulleys and belting — Balancing of machinery — Fire-risk from bark mills — Chain-conveyors — Lubricating oils — Construction of pits — Underground pipes and overhead troughs — Pumps and pumping appliances PAGE [444]
CHAPTER XXVIII.
WASTE PRODUCTS AND THEIR DISPOSAL.
Hair — Fleshings and glue-stuff — Fat — Bate-shavings — Horns — Spent tan — Tan-furnaces — Sewage and other waste liquids — Chemical purification of sewage — Settling tanks — Filter-presses — Bacterial purification of sewage — Tannery waste-liquors PAGE [460]
APPENDIX A.
METHOD OF THE INTERNATIONAL ASSOCIATION OF LEATHER-TRADES CHEMISTS FOR THE ANALYSIS OF TANNING MATERIALS: Corrected to 1901.
Sampling from bulk — Preparation for analysis — Preparation of infusion — Determination of tanning matters and non-tannins — Colour-measurement — Analysis of used liquors PAGE [475]
APPENDIX B.
THE DECIMAL SYSTEM.