A History of Technology: The industrial revolution, c. 1750 to c. 1850Clarendon Press, 1958 |
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Page 75
... walls of the lode or vein were strong , little or no support was needed , but in thicker veins , or in those with soft and slabby walls , precautions had to be taken . Where timber was plentiful and cheap , or the vein of material very ...
... walls of the lode or vein were strong , little or no support was needed , but in thicker veins , or in those with soft and slabby walls , precautions had to be taken . Where timber was plentiful and cheap , or the vein of material very ...
Page 87
... wall of coal about 100 yds long is won out and removed bodily in line . As the coal is removed any stone available is built into dry stone walls or packs some 6 to 21 ft wide , arranged in parallel lines at right - angles to the advancing ...
... wall of coal about 100 yds long is won out and removed bodily in line . As the coal is removed any stone available is built into dry stone walls or packs some 6 to 21 ft wide , arranged in parallel lines at right - angles to the advancing ...
Page 262
... walls and ceilings . Provided that the nozzles were of metal , the pipes themselves could be made of varnished silk ... wall . His interest in coal - gas was stimu- lated by a patent he took out in 1791 for ' treating certain Ores to ...
... walls and ceilings . Provided that the nozzles were of metal , the pipes themselves could be made of varnished silk ... wall . His interest in coal - gas was stimu- lated by a patent he took out in 1791 for ' treating certain Ores to ...
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