298 



SECTIONS. INDEX OF SUBJECTS. 



of Sertularia tamarisca^ by Prof. Allmati, 



1858, 1J9. 



Radiation, Rev. Prof. Powell on experi- 

 ments relative to the influence of surfaces 

 on, 1837, 20. 



, solar, A. Claudet on different pro- 

 perties of the, in producing or preventing 

 a deposit of mercury on silver plates, 



1847, 35. 



, solar, on the constancy of, by Prof. 



P. Smyth, 1856, 28. 

 Raia chagrinea, notice of, 1838, 109. 



intermedia, notice of, 1838, 109. 



Railway accident, Versailles, J. Gray on the 



causes of the, 1844, 97. 

 accidents in this country and on the 



continent, F. G. P. Neison on, 1853, 109. 

 accidents by collision, Rev, Dr. Scoresby 



on, 1853, 125; Rev. F. F. Stathamon, 129. 



, atmospheric, C. Vignoles on, 1842, 100. 



, atmospheric, Kingstown and Dublin 



line, 1843, loi. 

 , atmospheric, on the elastic malleable 



iron tube, as a means of developing the 



principle of propulsion on an, 1847, 132. 

 , atmospheric, on a new low-pressure, 



by W. P. Struve, 1848, 120. 

 , high level, for the Liverpool Docks, 



J, Grantham on a, 1854, 151. 

 with cast-iron sleepers, T. Motley on 



the construction of a, 1838, 157. 

 , safety rotation, Mr. Hawkins on the, 



1840, 196. 



axles, J. Nasmyth on the strength of, 



1842, 105. 



balance lock, Or, Remington on a, 



1837, 129. 



break, new, notice of a, 1854, 157. 



carriages : on gas carriages for lighting 



with coal-gas instead of oil, by G. Hart, 



1859, 235. 



chairs and compressed wood fasten- 

 ings, C. May on, 1851, 1 14. 



foundations, T. Parkin on, 1839, 132. 



gradients, W. Fair bairn on, 1845, 93. 



gradients, C. Vignoles on, 1840, 193. 



sections between Bristol and Bath, W. 



Sanders on, 1841, 67. 



sections on the line of the Great 



Western Railway between Bristol and 

 Taunton, W. Sanders on, 1846, 59, 61. 



sections of the oolitic formations on 



the Great Western Railway at Sapperton 

 tunnel, by Capt. Ibbetson, 1846, 61. 



sections between Glasgow and Green- 

 ock, and Greenock and Ayr, by J. Craig, 



1841, 67. 



signal, new. Dr. Gray on a, 1857, 185. 



signals, Capt. Norton on, 1854, 158. 



signals, C. F. Whitworth on, 1858, 223. 



signals and breaks, W. S. Ward on, 



1848, 121. 



trains, Dr. Lardner on the resistance 



of, 1837, 132. 

 trains, J. S. Russell on the resistance 



of, 1844, 96. 



Railway trains at high velocities, J. S. Rus- 

 sell on the law which governs the resistance . 

 to motion of, 1846, 109. 



trains, M. Ricardo on a machine for 



registering the velocity of, 1846, 114. 



-^ — tunnels, W. West on the ventilation 

 of, 1837, 136. 



wheel, G. Cottam on a new iron, 1839, 



128. 



wheel with wood tyre, Mr. Dircks on 



a, 1840, 212. 



wheels, wooden, T. Parkin on a new 



construction of, 1839, 131. 



(proposed) from the Atlantic to the 



Pacific, in the territories of British North 

 America, A. Doull on a, 1851, iii. 



from the Atlantic to the Pacific ocean, 



through the British possessions of North 

 America, A. Whitney on the formation of 

 a, 1858, 1 54. 



Railways, Dr. Lardner on their effect on 

 intercommunication, 1836, 150. 



, W. Fairbairn on, 1858, 202. 



, British, on the financial prospects of, 



by S. Brown, 1858, 172. 



and their varieties, W. B. Acjams on, 



1855, 202. 



, J. Price on a method of constructing, 



1838, 158. 



, C. Vignoles on their economy in re- 

 spect of gradients, 1840, 193. 



, C. Vignoles on the best form of rails 



and upper works of, 1842, 106. 



, D. Mushet on the quality of iron for, 



1837, 134. 



: on the construction of timber viaducts, 



1838, 150. 



, Dr. Lardner on an apparatus for use 



in working, 1839, 129. 



, Capt. Denham on the vibration of, 



1835, 108. 



, G. Heaton on the oscillation of loco- 

 motive engines on, 1849, 116. 



: improved method of working the 



valves of a locomotive engine, 1838, 

 160. 



: Mr. Hawthorn on improvements in 



locomotive boilers, 1840, 211. 



— — : Mr. Grime on wrought-iron wheels 

 for locomotive engines, 1840, 212. 



: C. Vignoles on straight axles for loco- 

 motives, 1842, 104. 



, J. Barton on the permanent way of, - 



1852, 122. 



, J. Godwin on an improved cast-iron 



sleeper for, 1852, 127. 



, on a new method of constructing the 



permanent way and wheels of, by W. B. 

 Adams, 1858, 203. 



: on a new step rail, 1840, 212. 



: notice of M. Bergeron's method of 



instantaneously casting loose the loco- 

 motive engine, 1842, 1 14. 



-9 — , on an electric semaphore for use on, 

 by W. S. Ward, 1853, 131. 



, on the use of percussion lights for 



