AYR] 



88 



[AYR 



Ayrton, W. A'., A Perry, John. 4. Tin.- im- 

 portance of a general system of simultaneous 

 observations of atmospheric electricity. Japan, 

 Asiat, Soc. Trans., 5,1877, pp. 131-141 ; Telegr. 

 Engiti. Journ., 6, 1877, pp. 242-251. 



5. On a neglected principle that 

 may be employed in earthquake measurements. 

 Japan, Asiat. Soc. Trans., 5, 1877, pp. 181- 

 202; Phil. Mag., 8, 1879, pp. 30-50. 



6. A duplex partial-earth test. Tele- 



gr. Journ., 5, 1877, pp. 262-263. 



7. On the employment of an electro- 



meter with a WHEATSTONE'S bridge. Telegr. 

 Journ., 5, 1877, pp. 288-289. 



8. A new determination of the 



number of electrostatic units in the electro- 

 magnetic unit. Brit. Assoc. Rep., 1878, pp. 

 487-489. 



9. On the electrical properties of 



bees' wax and lead chloride. Brit. Assoc. Rep., 

 1878, pp. 497-498. 



1O. Rain-clouds and atmospheric 



electricity. [1877.] Phil. Mag., 5, 1878, pp. 

 197-201. 



11. Experiments on the heat-con- 



ductivity of stone. Phil. Mag., 5, 1878, pp. 241- 

 267. 



12. Contact theory of voltaic action. 

 Roy. Soc. Proc., 27, 1878, pp. 196-238; 28, 

 1879, pp. 421-424; Phil. Mag., 5, 1878, pp. 

 219-222; Phil. Trans., 171, 1880, pp. 15-34. 



13. On the viscosity of dielectrics. 

 [1877.] Roy. Soc. Proc., 27, 1878, pp. 238- 

 245. 



14. The resistance of galvanometer 



coils. Telegr. Engin. Journ., 7, 1878, pp. 297- 

 300. 

 15. The resistance of the arc of the 



electric light. Telegr. Engin. Journ., 7, 1878, 

 pp. 300-302. 



16. Ice as an electrolyte. [1877.] 



London, Phys. Soc. Proc., 2, 1879, pp. 171-182, 

 199-201; Phil. Mag., 4, 1877, pp. 114-124; 

 5, 1878, pp. 43-45. 



17. On structures in an earthquake 



country. Phil. Mag., 8, 1879, pp. 209-217. 



18. The magic mirror of Japan. 



Part 1. [1878.] Roy. Soc. Proc., 28, 1879, 

 pp. 127-148; Annales de Chimie, 20, 1880, 

 pp. 110-142. 



19. On the practical solution of the 



most general problems in continuous beams. 

 Roy. Soc. Proc., 29, 1879, pp. 493-505. 



2O. A new determination of the 



ratio of the electro-magnetic to the electro- 

 static unit of electric quantity. Telegr. Engin. 

 Journ., 8, 1879, pp. 126-141; Phil. Mag., 7, 

 1879, pp. 277-289. 

 21. On the music of colour and 



visible motion. [1878.] London, Phys. Soc. 

 Proc., 3, 1880, pp. 18-28; Phil. Mag., 7, 1879, 

 pp. 117-125. 



Ayrton, W. E., & Perry, John. 22. A new 

 theory of terrestrial magnetism. [1879.] London, 

 Phys. Soc. Proc., 3, 1880, pp. 57-68; Journ. of 

 Sci., 1, 1879, pp. 287-290; Phil. Mag., 7, 1879, 

 pp. 410-411. 



23. A dispersion-photometer. [1879.] 

 London, Phys. Soc. Proc., 3, 1880, pp. 184- 

 186; Phil. Mag., 9, 1880, pp. 117-120. 



24s. Determination of the accelera- 



tion of gravity for Tokio, Japan. London, Phys. 

 Soc. Proc., 3, 1880, pp. 265-276 ; Phil. Mag., 

 9, 1880, pp. 292-301 ; 10, 1880, pp. 43-53. 



25. Wire torsion. Nature, 22, 1880, 



pp. 604-605. 



26. A preliminary account of the 



reduction of observations on strained material, 

 Lfvili-ii jars, and voltameters. Roy. Soc. Proc., 

 30, 1880, pp. 411-435. 



27. Note on the electro-magnetic 



and the electro-static induction from wire to 

 win- in telegraph lines. Telegr. Engin. Journ., 

 9, 1880, pp. 81-83. 

 28. Nouvelle mesure de 1'ohm. An- 



nales Telegraph., 8, 1881, pp. 209-215. 



29. On a dynamometer coupling. 



Brit. Assoc. Rep., 1881, p. 553. 



3O. Note on Prof. EXNEK'S papers 



on contact electricity. [1880.] London, Phys. 

 Soc. Proc., 4, 1881, pp. 81-94; Phil. Mag., 11, 

 1881, pp. 43-54. 

 31. Note on the index of refraction 



of ebonite. London, Phys. Soc. Proc., 4, 1881, 

 pp. 345-348; Phil. Mag., 12, 1881, pp. 196- 

 199. 



32. A portable absolute galvano- 



meter for strong currents, and a transmission 

 dynamometer. Telegr. Engin. Journ., 10, 1881, 

 pp. 156-164. 



33. Measuring-instruments used in 



electric lighting and transmission of power. 

 Telegr. Engin. Journ., 11, 1882, pp. 254-278. 



34. A difficulty in electric distribu- 



tions. Telegr. Engin. Journ., 12, 1883, pp. 

 161-162. 



35. Electro-motors and their govern- 



ment. Telegr. Engin. Journ., 12, 1883, pp. 301 

 -371 ; Telegr. Journ., 12, 1883, p. 444. 



36. Experiments on th'e FAURE ac- 



cumulator. [1882.] London, Phys. Soc. Proc., 

 5, 1884, pp. 104-109; Phil. Mag., 14, 1882, 

 pp. 41-45. 



37. A simplified dispersion-photo- 



meter. [1SS2.] London, Phys. Soc. Proc., 5, 

 1884, pp. 109-116; Phil. Mag., 14, 1882, pp. 

 45-51. 

 - - 38. The resistance of the electric 



