BIT] 



213 



[BIT 



Ritchie, William. 11. On Powell's paper 

 on radiant heat. Thomson, Ann. Phil. XII., 

 1826, pp. 122-124. 



12. On an Air-pump, without artificial 



valves. Thomson, Ann. Phil. XII., 1826, pp. 

 153-154 ; Edinb. New Phil. Journ. I., 1826, p. 

 112. 



13. On a new form of the differential 



thermometer with some of its applications. 

 [1826.] Phil. Trans. 1827, pp. 129-131 ; 

 Edinb. Journ. Sci. VIL, 1827, pp. 350-351. 



14. On the permeability of transparent 



screens of extreme tenuity by radiant heat. 

 [1826.] Phil. Trans. 1827, pp. 139-143; 

 Edinb. Journ. Sci. VII., 1827, pp. 348-350. 



15. Excursionary remarks on radiant heat, 



with a short examination of Prof. Leslie's 

 theory. Edinb. Journ. Sci. VIIL, 1828, pp. 

 136-140. 



16. Experiments and observations on 



Electric Conduction. Phil. Trans. 1828, pp. 

 373-378. 



— — 17. Experiments on heated iron in re- 

 ference to the magnetic and electric fluids. 

 Quart. Journ. Sci. I., 1828, pp. 288-291 ; 

 Poggend. Annal. XIV., 1828, pp. 150-153. 



— — 18. An experimental examination of the 

 electric and chemical theories of galvanism. 

 Phil. Trans. 1829, pp. 361-365 ; Edinb. Journ. 

 Sci. II., 1830, pp. 150-155 : Schweigger, Journ. 

 LXI. {-Jahrb. I.), 1831, pp. 384-390. 



19. On the elasticity of threads of glass, 



with some of the most useful applications of 

 this property to Torsion-balances. Phil. Trans. 



1830, pp. 215-222. 



20. Description and application of a 



Torsion Galvanometer. Roy. Inst. Journ. I., 



1831, pp. 29-38. 



21. On a double-acting Air-pump. Roy. 



Inst. Journ. II., 1831, pp. 288-289 ; Froriep, 

 Notizen, XXXIIL, 1832, col. 4-5. 



' 22. Experimental illustration of the 



equality between the radiating and absorbing 

 powers of the same surface. Roy. Inst. Journ. 

 II., 1831, pp. 305-307 ; Poggend. Anna!. 

 XXVIII., 1833, pp. 378-379. 



23. An experimental investigation of the 



phenomena of Endosmose and Exosmose. Roy. 

 Soc. Proc. III., 1831, p. 61. 



24. Experimental researches in voltaic 



electricity and electro-magnetism. Phil. Trans. 



1832, pp. 279-298 ; Froriep, Notizen, XXXIIL, 

 1832, col. 118-120. 



— — 25. On the law which connects the various 

 magneto-electric phenomena lately discovered 

 by Dr. Faraday. Roy. Soc. Proc. III., 1832, 

 p. 159. 



Ritchie, William. 26. On the power of an 

 electromagnet to retain its magnetism after the 

 battery has been removed. Phil. Mag. III., 

 1833, pp. 122-125 ; Poggend. Annal. XXIX, 

 1833, pp. 464-466. 



. 27. On certain curious properties of com- 

 mon and electro-magnets. Phil. Mag. III., 

 1833, pp. 124-125 ; Poggend. Annal. XXIX., 



1833, pp. 467-468. 



: 28. Experimental researches in electro- 

 magnetism and magneto - electricity. Phil. 

 Trans. 1833, pp. 313-322; Poggend. Annal. 

 XXXLL, 1834, pp. 529-542. 



29. On the reduction of Mr. Faraday's 



discoveries in magneto-electric induction to a 

 general law. Phil. Mag. IV., 1834, pp. 11- 

 13 ; Poggend. Annal. XXXL, 1834, pp. 203- 

 205. 



30. On the continued rotation of a closed 



voltaic circuit, by another closed circuit. Phil. 

 Mag. IV., 1834, pp. 13-14; Poggend. Annal. 

 XXXL, 1834, pp. 206-207. 



■ 31. On the mode of detonating a mixture 



of oxygen and hydrogen by a spark induced by 

 a small horse-shoe magnet. Phil. Mag. IV., 



1834, pp. 104-106. 



— — 32. Remarks on Mr. Christie's Bakerian 

 Lecture. [Experimental determination of the 

 laws of magneto-electric induction in different 

 masses of the same metal.] Phil. Mag. IV., 

 1834, pp. 208-212. 



33- On a supposed new law of magnetic 



action. Phil. Mag. VIIL, 1836, pp. 55-56. 



34. On the law of magnetic attractions 



and repulsions. Phil. Mag. VEIL, 1836, pp. 

 242-243. 



35. On electricity and magnetism. 



Phil. 

 Mag. VILL, 1836, pp. 455-459. 



36. On the cause of the remarkable differ- 

 ence between the attractions of a permanent 

 and of an electro-magnet on soft iron at a dis- 

 tance. Phil. Mag. IX., 1836, pp. 81-84. 



37. Remarks on certain proposed improve- 

 ments in the magneto-electric machine. Phil. 

 Mag. IX, 1836, pp. 222-223. 



«— — 38. Remarks on Mr. Rainey's theory of 

 magnetic reaction. Phil. Mag. IX., 1836, pp. 

 287-288. 



39. Reply to Mr. Rainey's communication 



on his theoiy of magnetic reaction. Phil. Mag. 

 X., 1837, pp. 57-60. 



40. On Mac Gaulay's and Callan's 



theories of magnetic reaction. Phil. Mag. X, 

 1837, pp. 60-62. 



41. A simple method of exhibiting New- 

 ton's Rings, and a mode of exhibiting the fixed 



. lines in the spectrum. Phil. Mag. X, 1837, 

 pp. 183-184. 



