TABLE OF MECHANICAL INVENTIONS. 597 



Proportional compasses invenn d by IX da Vici, before 1519 



Spinning wheel invented by Jiirgen of Brunswick . 1530 



Pins brought from France . . 1543 



Needles uuidc in i lulan-l . . ,1545 



Air guns made at Nuremberg . . . 1560 



Stockings first knit 111 ." i \i\ about . . 1550 



Man> Flemish waver- were driven to England by the Duke 



of Alva's per ei ution ... 1567 



Thi"e clockmakers came to England from Delft . 1568 



Log lino used .... 1570 



Coarhes used in Fngland . . . 1580 



Bombs invented at VeMoo . . . 1688 



Stock in sj wt vinj. invented by Lee of Cambridge . 1589 



A slitting mill eroded at Daitford . . 1590 



Ni-w <iver brcu^nt to London . . , 1614 



Tht dime, 5. 'Mis ol I ricks regulated . . 1625 



Vernier's inti*x luade known . . . 1631 



Clocks and watches generally used about . . 1631 



Bous and arrows still used, in England, and artillery with 



Stone bullets .... 1640 



New ion born .... 1642 



Guericke invented the air pump . . 1654 



Frcmantil is said to have applied pendulums to clocks in 1656 



Hook's watch with a balance spring . . 16',8 



Hooke finished his air pump . . 1658 



Savery had erected stf>am entities . . Ifi96 



Chain shot invented by Dew it . , 1666 



Threshing machines with flails invented . . 17GO 



China made at Dresden ... . 1/02 



China made at Chelsea .... 1753 



Wedgwood's improvements in pottery . . 1763 



Muslins made in Enghnd ... 1781 



Balloons invented by JVlonlgoIfi^r . 1783 



Lunardi ascended in Moorfields . . 1784 



In 1787 about twenty three million pounds of cotton were ma. 

 nufactured in I'rifnin ; a .out six wrre imported from the British 

 colonies, six from the Levant, and ten from the settlements of other 

 European nations. Half the quantity was employed in white 

 goods, one. fourth in fustians, one fourth in hosiery, tnixtuns, and 

 candle wicks; giving employment to 60,000 spinners, and 



