A History of Technology: The industrial revolution, c. 1750 to c. 1850Clarendon Press, 1958 |
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Page 390
... divided into degrees ) ; the units were in turn subdivided into 8 by bisection . A table gave the equivalence between these units and their subdivisions , and the sexagesimal degrees and seconds . Following Graham , his pupil John Bird ...
... divided into degrees ) ; the units were in turn subdivided into 8 by bisection . A table gave the equivalence between these units and their subdivisions , and the sexagesimal degrees and seconds . Following Graham , his pupil John Bird ...
Page 393
... divided ; the scriber control mechanism is at the right . the toothed wheel , and its method of operation . For the latter , Ramsden invented a mechanism comprising a spring drum round which a string was wound . Drawn by a foot ...
... divided ; the scriber control mechanism is at the right . the toothed wheel , and its method of operation . For the latter , Ramsden invented a mechanism comprising a spring drum round which a string was wound . Drawn by a foot ...
Page 395
... divided on the machine ; the second the magnification of errors arising from the fact that the circle to be divided was of a larger diameter than that of the machine . He conceived a de- formable parallelogram , driven by a rectifying ...
... divided on the machine ; the second the magnification of errors arising from the fact that the circle to be divided was of a larger diameter than that of the machine . He conceived a de- formable parallelogram , driven by a rectifying ...
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