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183 



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Barlow, Peter. 25. On the development of Mag- 

 netism by Rotation, in reply to Mr. CHRISTIE. 

 Edinb. Journ. Sci. VI., 1827, pp. 265-267. 



26. Account of the observations and ex- 

 periments made on the diumal Variation and 

 Intensity of the Magnetic Needle, by PA BEY, 

 FORSTER, and Ross, in Capt. PARRY'S third 

 Voyage, with remarks and illustrations. Edinb. 

 New Phil. Journ. II., 1827, pp. 347-365; Baum- 

 gartner, Zeitschr. III., 1827, pp. 82-96 ; Poggend. 

 Annal. X., 1827, pp. 570-580 ; Schweigger, 

 Journ. L. (= Jahrb. XX.), 1827, pp. 446-453 : 

 LI, 129-141. 



27. Some particulars relative to the Tides 



in the upper part of the river Thames, and of the 

 obstructions caused by the present (i.e. old) 

 London Bridge. Edinb. New Phil. Journ. II., 

 1827, pp. 49-59. 



28. Rules and principles for determining 



the dispersive ratio of glass ; and for computing 

 the radii of curvature for achromatic object- 

 glasses, submitted to the test of experiment. 

 Phil. Trans. 1827, pp. 231-267. 



29. Abstract and Remarks relative to Capt. 



SABINE'S Experiments on the Dip and Intensity 

 of the Magnetic Needle, in different parts of the 

 Northern Hemisphere. Edinb. New Phil. Journ. 

 III., 1827, pp. 142-149. 



3O. On the secondary deflections produced 



in a magnetized needle by an iron shell, in conse- 

 quence of an unequal distribution of magnetism 

 in its two branches. First noticed by Capt, J. P. 

 WILSON, H.E.I.C.S., " Hythe." Phil. Trans. 



1827, pp. 276-285. 



31. Description of a new Fluid Telescope. 



Edinb. Journ. Sci. VIII., 1828, pp. 93-96. 



32. A proposition for carrying on a course 



of experiments, with a view of constructing, as a 

 national instrument, a large Refracting Telescope, 

 with a Fluid concave Lens, instead of the usual 

 Lens of Flint Glass. Edinb. New Phil. Journ. 

 IV., 1828, pp. 323-329 ; Poggend. Annal. XIV., 



1828, pp. 313-323; Quetelet, Corresp. Math. V., 



1829, pp. 258-259. 



33. An account of a series of experiments 



made with a view to the construction of an achro- 

 matic telescope with a Fluid concave Lens, instead 

 of the usual Lens of Flint Glass. Phil. Trans. 

 1828, pp. 105-112; Edinb. Journ. Sci. IX., 



1828, pp. 220-225 ; Annal. de Chimie, XL., 



1829, pp. 351-364. 



34. Experiments relative to the effect of 

 temperature on the refractive index and disper- 

 sive power of expansible fluids, and on the in- 

 fluence of these changes in a telescope with a 

 Fluid Lens. Phil. Trans. 1828, pp. 313-318 ; 

 Annal. de Chimie, XL., 1829, pp. 364-370. 



Barlow, Peter. 35. An account of the prelimi- 

 nary experiments and ultimate construction of 

 a Refracting Telescope of 7 8 inches aperture, 

 with a Fluid concave Lens. [1828.] Phil. 

 Trans. 1829, pp. 33-46 ; Edinb. Journ. Sci. I, 

 1829, pp. 328-334. 



36. On the performance of Fluid refracting 

 Telescopes, and on the applicability of this prin- 

 ciple of construction to very large instruments. 

 [1830.] Phil. Trans. 1831, pp. 9-16 ; Edinb. 

 Journ. Sci. VI., 1832, pp. 353-360. 



37. On the probable electric origin of all 



the phenomena of terrestrial magnetism. Phil. 

 Trans. 1831, pp. 99-108. 



38. On the errors in the course of vessels, 



occasioned by local attraction ; with some re- 

 marks on the recent loss of H.M.S. " Thetis." 

 Phil. Trans. 1831, pp. 215-222. 



39. On the formation of an artificial com- 

 pound dispersive power in a compound Lens, for 

 correcting the front lens of a refracting Tele- 

 scope. Roy. Inst. Journ. II., 1831, pp. 1-11. 



40. Report on the present state of our 



knowledge respecting the Strength of Materials. 

 Brit. Assoc. Rep. 1833, pp. 93-104. 



41. An account of the construction of a 



Fluid Lens Refracting Telescope of 8 inches 

 aperture and 8| ft. long made for the Royal 

 Society by George DOLLAND. [1832.] Phil. 

 Trans. 1833, pp. 1-14. 



42. On the present situation of the mag- 

 netic lines of equal variation, and their changes 

 on the terrestrial surface. Phil. Trans. 1833, 

 pp. 667-674. 



43. On the principle of construction and 



general application of the Negative Achromatic 

 Lens to telescopes and eye-pieces of every de- 

 scription. Phil. Trans. 1834, pp. 205-208. 



44. On the Force excited by Hydraulic 



Pressure in a Bramah Press, the resisting power 

 of the cylinder, and rules for computing the 

 thickness of metal for presses of various powers 

 and dimensions. Civ. Eng. Inst. Trans. I., 

 1836, pp. 133-140. 



45. Letter to the Rev. D. LARDNER, on 



the theory of gradients in railways. Phil. Mag. 

 VIIL, 1836, pp. 97-100. 



46. Remarks on LECOUNT'S treatise on 



iron rails. Phil. Mag. VIIL, 1836, pp. 291- 

 293. 



47. Observations on the valuation of the 



mechanical effect of gradients on a line of rail- 

 road. Roy. Soc. Proc. III., 1836, pp. 390- 

 391 ; Karsten, Archiv, IX., 1836, pp. 516- 

 548. 



48. On the Electro-magnetic conducting 



K7 O 



power of wires of different qualities and dimen- 

 sions. Phil. Mag. XL, 1837, pp. 1-11. 



