_Waterproofing_: rubber goods, cuprammonium processes, miscellaneous preparations — _Packing and Storing_ articles of delicate odour or colour, of a deliquescent character, liable to ignition, apt to suffer from insects or damp, or easily broken — _Embalming and Preserving_ anatomical specimens — _Leather Polishes_ — _Cooling Air and Water_, producing low temperatures, making ice, cooling syrups and solutions, and separating salts from liquors by refrigeration — _Pumps and Syphons_, embracing every useful contrivance for raising and supplying water on a moderate scale, and moving corrosive, tenacious, and other liquids — _Desiccating_: air- and water-ovens, and other appliances for drying natural and artificial products — _Distilling_: water, tinctures, extracts, pharmaceutical preparations, essences, perfumes, and alcoholic liquids — _Emulsifying_ as required by pharmacists and photographers — _Evaporating_: saline and other solutions, and liquids demanding special precautions — _Filtering_: water, and solutions of various kinds — _Percolating and Macerating_ — _Electrotyping_ — _Stereotyping_ by both plaster and paper processes — _Bookbinding_ in all its details — _Straw Plaiting_ and the fabrication of baskets, matting, etc. — _Musical Instruments_: the preservation, tuning, and repair of pianos, harmoniums, musical boxes, etc. — _Clock and Watch Mending_: adapted for intelligent amateurs — _Photography_: recent development in rapid processes, handy apparatus numerous recipes for sensitizing and developing solutions, and applications to modern illustrative purposes. E. & F. N. SPON, 125, Strand, London. [/advertisement] [advertisement] SPONS’ ENCYCLOPÆDIA OF THE INDUSTRIAL ARTS, MANUFACTURES, & COMMERCIAL PRODUCTS. EDITED BY C. G. WARNFORD LOCK, F.L.S., &c., &c. _In Super-royal 8vo, containing 2100 pp., and Illustrated by nearly 1500 Engravings._ Can be had in the following bindings:— £ _s._ _d._ In 2 vols., cloth 3 10 0 In 5 divisions, cloth 3 11 6 In 2 vols., half-morocco, top edge gilt, bound in a superior manner 4 10 0 In 33 monthly parts, at 2_s._ each. Any Part can be had separate, price 2_s._, postage 2_d._ COMPLETE LIST OF ALL THE SUBJECTS.