A History of Technology: The industrial revolution, c. 1750 to c. 1850Clarendon Press, 1958 |
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Page 367
... method had in the middle the bull's - eye or ' crown ' from which it took its name , this being the point where the pontil had been attached . The sheets were comparatively small , and as they were circular the size was still further ...
... method had in the middle the bull's - eye or ' crown ' from which it took its name , this being the point where the pontil had been attached . The sheets were comparatively small , and as they were circular the size was still further ...
Page 389
... methods enabling this lay - out to be effected strictly were perfected in the first few years of the eighteenth century . FIGURE 217 - Method of division by transversals . For a long time one great difficulty still remained in the ...
... methods enabling this lay - out to be effected strictly were perfected in the first few years of the eighteenth century . FIGURE 217 - Method of division by transversals . For a long time one great difficulty still remained in the ...
Page 611
... method conveyed a general impression of relative elevation , but failed to disclose the plan of relief features , their absolute altitude , or their slope . 35 40 ° FIGURE 333 - Diagram illustrating the principle of J. G. Lehmann's ...
... method conveyed a general impression of relative elevation , but failed to disclose the plan of relief features , their absolute altitude , or their slope . 35 40 ° FIGURE 333 - Diagram illustrating the principle of J. G. Lehmann's ...
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 |
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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 developed diameter driving E. J. HOLMYARD early eighteenth century engine England Europe farming figure fish France French furnace glass heat husbandry Ibid important improved inches increased industrial revolution introduced invention J. F. Horrabin 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 practice produced pump river road rollers rotation Rotherham plough salt Science Museum screw sewers shaft ships silk Smeaton smelting Staffordshire steam steam-engine steel stone sulphuric acid surface tion tuyère vertical ware water-wheels watermills Watt whales wheel wooden wrought iron