Social England : a record of the progress of the people in religion, laws, learning, arts, industry, commerce, science, literature and manners, from the earliest times to the present day . A VEllY 1:A1:LV IIIOTOGRAPH.(.Fon Talbot: Pencil of Katun; ISU ; Flat XII.) hands of Bunsen, Roscoe, and Crookes, has led to the discoveryof now elements and has rendered iiii[>ortaut service toastronomy. The growth of chemical industry during the eentiUT haskept i)ace witli chemical theory. ^letallurgy was the tirst tolienetit: tlie analysis of furnace gases by Eunsen and Playfair,and ihi dctcrmiiiation
Social England : a record of the progress of the people in religion, laws, learning, arts, industry, commerce, science, literature and manners, from the earliest times to the present day . A VEllY 1:A1:LV IIIOTOGRAPH.(.Fon Talbot: Pencil of Katun; ISU ; Flat XII.) hands of Bunsen, Roscoe, and Crookes, has led to the discoveryof now elements and has rendered iiii[>ortaut service toastronomy. The growth of chemical industry during the eentiUT haskept i)ace witli chemical theory. ^letallurgy was the tirst tolienetit: tlie analysis of furnace gases by Eunsen and Playfair,and ihi dctcrmiiiation of the composition of pig-iron, explainedthe theory of tlic blast furnace, and made possible suchimprovements in the manufacture of steel as the Bessemer CIlKMISTlt y 1S46-1SS5. 717 process (ISoG ; p. 745), and towards the close ot our ])criod, theThomas-Gilchrist process, by which large amounts of practicallyuseless ore have been rendered available, and its very impuritiesmade into a substance of the highest value (p. 747). The manufactures of sulphuric acid and soda may be lookedupon as the basis of all others from their extensive use and the. MODKL UF . l;lf Alll) TLAXT.(,Vicloria ami Albeil Museum.) bye-products formed in the course of their production. Themanufacture of sulphuric acid in this country dates from 174t),when the first lead chamber was erected at Prestonpans: themanufacture of soda from common salt dates from 18-28, andthat of blcaching-powder from 177!). The improvements of thiscentury are principally in the direction of more economical andscientiBc working of the processes ; the only other has beenthat of the introduction of iron jiyrites as a .source of the sul-phur required instead of using native sulphur; an improvement 718 THE SUCCESSION OF THE DEMOCRACY. 11865 forced upon British nianiifacturers in 1838 by the King ofNaples, who had granted a monopoly in sulphur. The manu-facture of soda from common salt was tirst discovered byLeblanc at the clos
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyo, bookyear1901
