Scientific American Supplement, No. 803, May 23, 1891 by Various
page 3 of 143 (02%)
page 3 of 143 (02%)
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VII. MECHANICAL ENGINEERING.--The Builders of the Steam Engine--The Founders of Modern Industries and Nations.--By Dr. R.H. THURSTON.--Prof. Thurston's address before the Centennial Celebration of the American Patent System at Washington, D.C.--The early history of the steam engine and its present position in the world VIII. MISCELLANEOUS.--The Breeds of Dogs.--Popular description of the different breeds of dogs most affected by amateurs.--6 illustrations IX. NAVAL ENGINEERING.--Modern Armor.--By F.R. BRAINARD.--The development of modern ship armor, from laminated sandwiched and compound types to the present solid armor.--9 illustrations X. PISCICULTURE.--Restocking the Seine with Fish.--The introduction of 40,000 fry of California trout and salmon, designed to restock the Seine, depopulated of fish by explosions of dynamite used in breaking up the ice.--1 illustration XI. RAILWAY ENGINEERING.--Improved Hand Car.--A novelty in the construction of hand cars, avoiding the production of a dead center.--1 illustration XII. TECHNOLOGY.--The Tanning Materials of Europe.--The natural tanning materials and pathological or abnormal growth tanning materials described and classified, with relative power |
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