A History of Technology: The industrial revolution, c. 1750 to c. 1850Clarendon Press, 1958 |
From inside the book
Results 1-3 of 7
Page 389
... radius of the circle . Bisecting the arc gave the 30 ° point , and by setting off an arc of 30 ° , again with the dividers , beyond the 60 ° point , 90 ° was found . Bisection of these three arcs gave 15 ° , 45 ° , and 75 ° respectively ...
... radius of the circle . Bisecting the arc gave the 30 ° point , and by setting off an arc of 30 ° , again with the dividers , beyond the 60 ° point , 90 ° was found . Bisection of these three arcs gave 15 ° , 45 ° , and 75 ° respectively ...
Page 400
... radius of which attained 40 to 50 cm , were cast in one piece . The length of the radius was reduced and that of the arc extended . The 60 ° sector was divided into 120 degrees and the instrument assumed the name of sextant ( plate 22 B ) ...
... radius of which attained 40 to 50 cm , were cast in one piece . The length of the radius was reduced and that of the arc extended . The 60 ° sector was divided into 120 degrees and the instrument assumed the name of sextant ( plate 22 B ) ...
Page 515
... a success , as the radius within which the sewers were affected by the furnace was found to be very limited . Another interesting system , devised at the end of the. SEWERS : MAINTENANCE , CLEANSING , VENTILATION , AND REPAIRS 515.
... a success , as the radius within which the sewers were affected by the furnace was found to be very limited . Another interesting system , devised at the end of the. SEWERS : MAINTENANCE , CLEANSING , VENTILATION , AND REPAIRS 515.
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 | |
15 other sections not shown
Other editions - View all
Common terms and phrases
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