A History of Technology: The industrial revolution, c. 1750 to c. 1850Clarendon Press, 1958 |
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Page 2
... triangle for the quadrilateral of the seventeenth - century plough and earlier forms . This change was the first significant development in plough design in the eighteenth century . The Rotherham plough was widely used in the northern ...
... triangle for the quadrilateral of the seventeenth - century plough and earlier forms . This change was the first significant development in plough design in the eighteenth century . The Rotherham plough was widely used in the northern ...
Page 605
... triangles before filling in the topographical detail by local observa- tion of angles and distances . Such a system depends on no more than one linear measurement , that of the primary base - line ; only the angles of the triangles are ...
... triangles before filling in the topographical detail by local observa- tion of angles and distances . Such a system depends on no more than one linear measurement , that of the primary base - line ; only the angles of the triangles are ...
Page 607
... triangles ' . The secondary triangles were observed with smaller theodolites constructed by Ramsden and by Troughton and Simms ; and the field survey , at 2 in to 1 mile , was made by traversing with the measuring- wheel and ...
... triangles ' . The secondary triangles were observed with smaller theodolites constructed by Ramsden and by Troughton and Simms ; and the field survey , at 2 in to 1 mile , was made by traversing with the measuring- wheel and ...
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