Contents xxv 



ARTICLES 



Increase of charge by induction ........... 652 



Double A and double B 653 



Globe and circle i8| 654 



D, E, F, G 655 



D, E, F, M, K, L 656 



A, B, C. K, L, M 657 



H . . 658 



Instantaneous spreading of electricity 659 



Trials 660 



Results 661 



Tables of results ............ 662, 663 



Whether charge of coated glass bears the same proportion to that of another body 



whether electricity is strong or weak ......... 664 



Correction for spreading with electricity strong and weak ...... 665 



Experiment with tin cylinder 666 



Charge corrected for spreading 667 



On plate air 668 



Table of plates of air 669 



Table 670 



Table of Nairne's plates . . . . . . . . . . . . 671 



Computations of other flat plates of glass, &c 672 



Table of glass plates 673 



Table of other substances ............ 674 



On the glass cylinders ............ 675 



Table of glass cylinders ............ 676 



On the compound plates ............ 677 



Experimental rosin 678 



Rosin placed between glass plates .......... 679 



White glass ball at various temperatures ......... 680 



Two circles 681 



Globe, circle, square, oblong, cylinder 682 



Wires 683 



RESULTS [ON RESISTANCE] . . .' P . 349 



From MS. No. 19 



Pump water, rain water, salt in 1000, sea water 684 



Nine tubes compared with one ........... 685 



Resistance as i -03rd power of velocity 686 



Resistance of iron wire 687 



Sat. sol. in 99=39 sat. sol. ........... 688 



Experiments in 1776 and 1777 on salt solutions 689 



Distilled water .............. 690 



Effect of temperature . . . . . . . . . . . .691 



Air in water 692 



Fixed air in water 693 



Other saline solutions ............ 694 



Experiments in January, 1781 ........... 695 



Water with different quantities of salt in it 696 



