A History of Technology: The industrial revolution, c. 1750 to c. 1850Clarendon Press, 1958 |
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Page 186
... beam had to be replaced by some mecha- nism that would transmit a force in either direction . Watt's first notion was to extend the piston - rod by a rack which would gear with a toothed arc on the end of the beam . This was a clumsy ...
... beam had to be replaced by some mecha- nism that would transmit a force in either direction . Watt's first notion was to extend the piston - rod by a rack which would gear with a toothed arc on the end of the beam . This was a clumsy ...
Page 475
... beam above . Heavy timbers did not easily catch fire ; they tended to char and smoulder , but with naked lights ... beam , and given some fire - protection by sheet iron on the exposed face . The underside of the beam was plastered . The ...
... beam above . Heavy timbers did not easily catch fire ; they tended to char and smoulder , but with naked lights ... beam , and given some fire - protection by sheet iron on the exposed face . The underside of the beam was plastered . The ...
Page 485
... beams ( p 475 ) . The early beams were nearly rectangular in section ; but proof - tests soon showed that extra metal , pro- vided at the lower edge to give a better support to the skewback of the arch , also increased the strength of the ...
... beams ( p 475 ) . The early beams were nearly rectangular in section ; but proof - tests soon showed that extra metal , pro- vided at the lower edge to give a better support to the skewback of the arch , also increased the strength of the ...
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