A History of Technology: The industrial revolution, c. 1750 to c. 1850Clarendon Press, 1958 |
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Page 390
... curve is the geometric locus of the centres of all the arcs of the circles forming the transversals of the graduation . See p 389 . sextants and geodesic circles . The large mural circles in astronomical observa- tories still had to be ...
... curve is the geometric locus of the centres of all the arcs of the circles forming the transversals of the graduation . See p 389 . sextants and geodesic circles . The large mural circles in astronomical observa- tories still had to be ...
Page 479
... curves into which they were bent , which could be mathematically defined . These included the curves into which laths or laminae would be bent under the action of given forces . In 1757 he derived an expres- sion for the critical load ...
... curves into which they were bent , which could be mathematically defined . These included the curves into which laths or laminae would be bent under the action of given forces . In 1757 he derived an expres- sion for the critical load ...
Page 620
... curve - line ' of equal value , introduced by Halley in 1701 , was adapted to the representation of meteorological facts in the nineteenth century . Isotherms - lines of equal mean annual temperature — were drawn by Humboldt in mapping ...
... curve - line ' of equal value , introduced by Halley in 1701 , was adapted to the representation of meteorological facts in the nineteenth century . Isotherms - lines of equal mean annual temperature — were drawn by Humboldt in mapping ...
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 driving 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