A History of Technology: The industrial revolution, c. 1750 to c. 1850Clarendon Press, 1958 |
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Page 367
... square after making . The sizes of the pieces of glass yielded by this process were thus severely restricted . After the 1830s crown glass became obsolete except for a few special purposes . A limited amount , for example , continued to ...
... square after making . The sizes of the pieces of glass yielded by this process were thus severely restricted . After the 1830s crown glass became obsolete except for a few special purposes . A limited amount , for example , continued to ...
Page 433
... square foot ; the same work is now done by the planing machine at a cost for labour of less than one penny per square foot , and this , as you know , is one of the most important operations in mechanics . It is , therefore , well ...
... square foot ; the same work is now done by the planing machine at a cost for labour of less than one penny per square foot , and this , as you know , is one of the most important operations in mechanics . It is , therefore , well ...
Page 434
... square . Clement charged 18s a square foot . At this rate the machine could earn £ 20 per day , if fully employed , and it was his chief source of in- come . Whitworth's planing machine ( figure 243 ) , made in 1842 under patents dating ...
... square . Clement charged 18s a square foot . At this rate the machine could earn £ 20 per day , if fully employed , and it was his chief source of in- come . Whitworth's planing machine ( figure 243 ) , made in 1842 under patents dating ...
Contents
GLASS by L M ANGUSBUTTERWORTH Director The Newton Heath Glass | 12 |
TELEGRAPHY by G R M GARRATT Deputy Keeper Department of Electrical | 22 |
FISH PRESERVATION by C L CUTTING Officer in Charge Humber | 44 |
Copyright | |
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agricultural beam became Boulton Boulton and Watt bridge Britain British built canal carbon carried cast iron chemical clay coal Coalbrookdale coke construction copper crops cylinder D. E. Woodall diameter E. J. HOLMYARD early eighteenth century engine England English Europe fallow farming figure fish France French furnace glass heat horizontal husbandry Ibid important improved inches industrial revolution introduced invention inventor J. F. Horrabin John John Smeaton later lathe London machine machinery manufacture mechanical metal method mill mineral mines Newcomen Newcomen engine nineteenth century obtained operation oxide Paris patent Photograph by courtesy pipe piston plate porcelain practical produced pump river road rollers rotation Rotherham plough salt screw sewers shaft ships silk Smeaton Staffordshire steam steam-engine steel stones sulphuric acid surface telegraph tion vertical ware water-wheels watermills Watt whales wheel wooden wrought iron