xx Contents 



ART1CI.KS 



Results: comparison with Art. 455 479 



Exp. IV 48 



Table omitted 4 8 ' 



Twelve plates from Nairne, A to M . 4 8 ^ 



D, E, F, G compared with double A and B 4 8 3 



Trial plates of Nuremberg glass, H, I, K, L. Art. 303. H, I, K, L cased with cement. 



E, F, G and I, K, L of Nairne cased in cement. Plate of cement . . . 484 



Spreading of electricity on cemented plates. Art. 302 . . 485 



Rate of spreading 4^6 



Trial of spreading by machine. (Fig. 20) . 4**7 



Three sliding coated plates with brass slides. Six trial plates . 488 



Feb. 4, 1772, D, E, F, G. Two double plates . . 489 



E + F + G, with I, K, L, M .490 



Closing of balls 4Qi 



Feb. 5, 1772, I + K + L, with A + B + C + H, crown glass trial plates . . 492 



A + B + C.withH 493 



EXPERIMENTS IN 1773 ... P 240 



From MS. No. 14 [Cavendish's Index] 



PAGE The pages refer to the MS., the numbers of the Articles to the present edition 



OF MS. 



i-io. Spreading of electricity on the surface of glass ...... 494 



n. List of thickness and coatings of some plates, see p. 27 500 



12. Quantity of electricity in thick rosin compared with double plate B, and in 2nd 

 rosin with D, E and G of Nairne 501 



13. Q and P compared with M and K of Nairne, also green cylinder 4, and white 

 cylinder compared with plates of Nairne by means of sliding trial plates . . 502 



14. ist and 2nd green and white cylinders and white jar compared with H of Nairne 



in usual manner ............ 503 



15. The same in the same way, except with addition of plate M on the negative side 



in some experiments 504 



16. Quantity of electricity in the two coated globes, and in the two jars used in the 

 machine for trying plain plates 505 



17. Quantity of electricity in the 4 jars, and in the 5th and 6th sliding trial plates . 506 



18. Thick rosin compared with double plates A and B, and thick white and 2nd rosin 



with D, E, F and G of Nairne 507 



19. Thick white, 2nd rosin, D and F of Nairne and the two double plates together, 

 compared together; also thin white with D and E, and D and F . . . 508 



20. Whitish plate, P, Q, O, old G and thin rosin compared with M . . . 509 



21. Crown A and C compared with A, B and C of Nairne 510 



23. Whether the shock from the plate [of] air was diminished by changing the air 



between them* by moving them horizontally . . . . . . .511 



25. Whether globe included within hollow globe is overcharged by electrifying outer 

 globe 512 



26. The same thing tried by a better machine . . . . . . .513 



27. Note to list of plates in p. 11 . . . . . . . . . . 514 



28. ist and 2nd sliding plates compared with double plate B; also Q, P, O and thin 

 rosin; old G and whitish plate compared with D, E, F and M . . . . 515 



30. Whether the charge of plate air is diminished by changing the air between them 



by lifting up the upper plate . . . . . . . . . .516 



31. Trials of plate air i, 2, 3 and 4 517 



35. Lac plate and 4th rosin compared with D + E + F, also thin wax with E + F, also 



thick wax and plate air 5 with D. . . . . . . . .518 



* The two flat conductors between which the plate of air lies, or, in modern language, the 

 electrodes. 



