A History of Technology: The industrial revolution, c. 1750 to c. 1850Charles Joseph Singer Clarendon Press, 1958 - 728 pages |
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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 567
... walls . Paths were later provided , the first , on timber stretchers over the water , being in the Berwick tunnel of ... wall to wall ( figure 310 ) . The usual tunnelling practice was to work outwards from shafts sunk from above , up ...
... walls . Paths were later provided , the first , on timber stretchers over the water , being in the Berwick tunnel of ... wall to wall ( figure 310 ) . The usual tunnelling practice was to work outwards from shafts sunk from above , up ...
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 developed diameter driving E. J. HOLMYARD early eighteenth century engine England Europe fallow farming figure fish France French furnace Germany glass heat horizontal 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 pipe piston plate practice produced pump river road rollers rotation Rotherham plough salt 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