INDEX. 49 



Clement (M.), on a mode of preserving grain, xiii. 1G5 



Cleopatra's Needle, notice of, x. 474 



Climate of Great Britain, probable cause of the deterioration of 



iv. 281 



• of Southern Africa, observations on, xiv. 391 



— of London, meteorological remarks on, xvii. 340 



Clocks, antiquity of, ix. 174 



— the daily rate and error of, at one time of the day being 



known, a table to find its corresponding error, throughout the 



day, xii. 155-166 

 improved method of constructing the dead escapement for, 



xiv. 334 

 Clock-dial of the Tron Church at Glasgow, account of the illu- 

 mination of, by gas, xii. 229 

 Cloth, spontaneous combustion of, x. 1S6. Improvements in dye- 

 ing, 1S8. On rendering it incombustible, 463 



process for making waterproof, xvi. 155 



Clouds, observable on the Atlantic, remarks on, xiv. 131. On 

 the suspension of, 445 



on the ascent of, in the atmosphere, xv. 165 



Clover, a new species of, recommended, xiv. 452 

 Clove -tree, benzoic acid found in the ripe fruit of the, xvi. 378 

 Clyde (River), list of steam-boats actually plying on, viii. 241 

 Coaches, number of, that daily leave London, viii. 243 

 Coagulation of the blood. See Blood. 



Coal-gas, on the application of, to the purposes of illumination, 

 i. 71-80. Experiments on the quantities and constituent parts 

 of gas from given quantities of coal, 75. Quantities of coal 

 consumed at the principal gas-light works, 77. Experiments 

 with substitutes for coal in the production of gas, 78. Ad- 

 vantages and disadvantages of coal-gas, 79. Improved appa- 

 ratus for, 278 



mines, account of Sir H. Davy's wire gauze safe-lamps for 



preventing explosions in, and giving light in explosive atmo- 

 spheres, i. 1. Proofs of their utility, 131 



on their practical application, 302 



E 



