A History of Technology: The industrial revolution, c. 1750 to c. 1850Clarendon Press, 1958 |
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Page 387
... means of file . ( 1 ) Track of thread cut ; ( 2 ) paper wound on the rod to be threaded ; ( 3 ) metal comb . In the first of these machines the guide- screw and the rod to be threaded are placed parallel to each other ( figure 215 ) ...
... means of file . ( 1 ) Track of thread cut ; ( 2 ) paper wound on the rod to be threaded ; ( 3 ) metal comb . In the first of these machines the guide- screw and the rod to be threaded are placed parallel to each other ( figure 215 ) ...
Page 407
... means of a parallelo- gram , whose shape would be altered by means of a screw ; by adjusting the latter it was possible to vary as desired the position of the centre of gravity of the system ( figure 228 ) . In 1783 Mégnié constructed ...
... means of a parallelo- gram , whose shape would be altered by means of a screw ; by adjusting the latter it was possible to vary as desired the position of the centre of gravity of the system ( figure 228 ) . In 1783 Mégnié constructed ...
Page 424
... means of the slide - rest , which is guided by two plane surfaces . The accuracy of the product of a machine - tool is therefore determined by the accuracy of its plane guiding - surfaces . Another essential element of machine - tool ...
... means of the slide - rest , which is guided by two plane surfaces . The accuracy of the product of a machine - tool is therefore determined by the accuracy of its plane guiding - surfaces . Another essential element of machine - tool ...
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