A History of Technology: The industrial revolution, c. 1750 to c. 1850Clarendon Press, 1958 |
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Page 86
... roof collapsed , and so the practice was developed of leaving pillars of coal in situ to hold it up . These pillars were irregular in pattern and shape and resulted in much coal being lost . The next stage was the recognition that it ...
... roof collapsed , and so the practice was developed of leaving pillars of coal in situ to hold it up . These pillars were irregular in pattern and shape and resulted in much coal being lost . The next stage was the recognition that it ...
Page 211
... roof level , directly connected to a drum round which the hoisting rope is wound . The operation of this hoisting mechanism is controlled by a lever system which raises or lowers the large wooden pulley at roof level , thereby ...
... roof level , directly connected to a drum round which the hoisting rope is wound . The operation of this hoisting mechanism is controlled by a lever system which raises or lowers the large wooden pulley at roof level , thereby ...
Page 472
... roof of Inigo Jones's church of St Paul , Covent Garden ( 1631-8 ) , with Hardwick's roof - work in the apparent replica of that building erected in 1796 to replace the original , which had been gutted by fire . Figure 265 shows both ...
... roof of Inigo Jones's church of St Paul , Covent Garden ( 1631-8 ) , with Hardwick's roof - work in the apparent replica of that building erected in 1796 to replace the original , which had been gutted by fire . Figure 265 shows both ...
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