BARON LIEBIG, the world-renowned German chemist, said: “I consider this invention as one of the most useful gifts which science has made to mankind! It is certain that the nutritive value of flour is increased ten per cent. by your phosphatic Baking Preparations, and the result is precisely the same as if the fertility of our wheat fields had been increased by that amount. What a wonderful result is this!” THE HORSFORD ALMANAC AND COOK BOOK SENT FREE. RUMFORD CHEMICAL WORKS, PROVIDENCE, R. I. SPONS’ ENCYCLOPÆDIA OF THE INDUSTRIAL ARTS, MANUFACTURES AND COMMERCIAL PRODUCTS. Edited by C. G. WARNFORD LOCK, F.L.S., &c., &c. In Super-royal 8vo, containing 2,100 pp., and illustrated by nearly 1,500 Engravings. Can be had in the following bindings: In 2 vols., cloth $27.00 In 5 divisions, cloth 27.00 In 2 vols. half-morocco, top edge gilt, bound in a superior manner 35.00 In 33 monthly parts, at 75c. each. _Any Part can be had separate, price 75c._ COMPLETE LIST OF ALL THE SUBJECTS. PART Acids 1, 2, 3 Alcohol 3, 4 Alkalies 4, 5 Alloys 5, 6 Arsenic 6 Asphalte 6 Aerated Waters 6 Beer and Wine 6, 7 Beverages 7, 8 Bleaching Powder 8 Bleaching 8, 9 Borax 9 Brushes 9 Buttons 9 Camphor 9, 10 Candles 10 Carbon 10 Celluloid 10 Clays 10 Carbolic Acid 11 Coal-tar Products 11 Cocoa 11 Coffee 11, 12 Cork 12 Cotton Manufactures 12, 13 Drugs 13 Dyeing and Calico Printing 13, 14 Dyestuffs 14 Electro-Metallurgy 14 Explosives 14, 15 Feathers 15 Fibrous Substances 15, 16 Floor-cloth 16 Food Preservation 16 Fruit 16, 17 Fur 17 Gas, Coal 17 Gems 17 Glass 17 Graphite 18 Hair Manufactures 18 Hats 18 Ice, Artificial 18 Indiarubber Manufactures 18, 19 Ink 19 Jute Manufactures 19 Knitted Fabrics (Hosiery) 19 Lace 19 Leather 19, 20 Linen Manufactures 20 Manures 20 Matches 20, 21 Mordants 21 Narcotics 21, 22 Oils and Fatty Substances 22, 23, 24 Paper 24 Paraffin 24 Pearl and Coral 24 Perfumes 24 Photography 24, 25