396 



ANNUAL OF SCIENTIFIC DISCOVERY. 



PAGE. 



Leather, Preller's process for prepar- 

 ing, 252 

 Lenses, improvements in the manu- 

 facture of, 



Lewis's improved press, 87 



Light, change of refrangibility of, 173 

 direct action of, upon the eye, 161 

 oscillatory theory of, 150 



Lightning rods, improvements in, 112 

 Lime, burnt, as a flux, 

 Linen, detection of cotton in, 256 



Lithographic press, improved, 87 



Locks, improvements in, 112 



Lock, chronometric, 98 



Hobbs', 



" powder-proof, 113 



Locomotive boilers, experiments 



on, 57 



Luminous bodies, radiation of, 

 Lunar volcanoes, 

 Magnetism, terrestrial, 

 Maine, gold in, 



Malachite, artificial, 256 



Man, weight of, 346 



Manufacturing establishment, gigan- 

 tic, 71 

 Manganese, separation of, 265 

 Marston's improved gun and car- 

 tridge, 



Marine vivarium, 344 



Mars, the planet, 362 



Material aggregation, influence of, 214 

 Matches, water proof composition 



for, 248 



Mattress, improved spring, 85 



Metals, ornamenting, '.'"> 



mechanical properties of, 

 Meteorology, medical, 372 



Meteorological information, interest- 

 ing, 375 

 Metres, water, 69, 70 

 Microscope, Binocular, 168 

 Microscopic test objects, tracings on 



glass for, 168 



objects, cells for, 169 



Milk for manufacturing, 249 



Mill, improved feed, 31 



Minerals, formation of, in the humid 



way, in metalliferous depositories, 320 

 Minie rifle, 



Mirrors, Chinese magic, 172 



Mississippi valley, reclamation of the 



inundated lands of, 301 

 mud lumps in, 306 



Mohair, importation of, 72 



Montague's improved press, 87 



Moon, influence of, upon the clouds, 383 

 Moore's great circle indicator, 222 



Mound explorations at the West, 380 

 Mountains, Snowy, of Eastern Af- 

 rica, 382 

 Mosaics, clay, 106 

 Mungo, Shoddy or Devil's dust, 74 

 Muscular and nervous action, influ- 

 ence of mind on, 137 

 Nitrogen, protoxide of, from sal am- 

 moniac, 272 



Nitric acid, new test for, 



271 



PAGE. 



Novelties ot the New York Exhibi- 

 tion, 31 

 Nut-galls, origin and production of, 354 

 Nuts, machine made, 

 Oil lamps, improvements in, 103 

 Oil of hops, 268 

 Oils, analysis of, by sulphuric acid, 269 

 Omnibus register, Deschamp's, 

 Optical phenomenon, 160 

 Ornamenting metals. 

 Ores, new method of crushing, 

 " machine for separating, 

 " improvements in crushing and 



preparing, 



Organic acids, anhydrous, 

 Oxygen, conversion of, into ozone, 228 

 Ozone, conversion of oxygen into ; 228 

 influence of electric spark in 



producing, 228 



Paintings, oil, method of restoring, 251 

 Paper pnotographs, 187 



Patent Office Report, 1852, 108 



Pearls, imitation. of, 243 



Persia, advantages of its climate for 



astronomical purposes, 

 Photometer, new, 160 



Photography, singular application of, 185 

 improvements in, 187 

 Photo-printing, chromatic, 186 



Phycite, new organic body, 266 



Pickers and gins, improvements in, 72, 73 

 Picric acid, use of, in distinguishing 



fibers, 



Pig pen, patent, 37 



Pisciculture, 243 



Planet, our, age of, 289 



" asteroid, primitive form of, 361 



" Mars, 362 



Planets, new, discovered in 1853, 358 



" Jupiter and Saturn, present 



condition of, 363 



Plaster, improvements in modelling 



in, 105 



Plastic material, new, 249 



Plow-shovel, 40 



Plows and cultivators, 39 



" at the Crystal Palace, 42 



" side-hill, 43 



" sub-soil, 



" steam, 45 



Poisons, organic, new method of anal- 

 ysis for, 274 

 influence of, upon animal 



heat, 275 



Polarization of atmospheric heat, 156 



Portraits from daguerreotypes, 188 



Porter's patent rifle, 90 



Press, Montague's improved, 87 



lithographic, improved, 87 



" Lewis's improved, 87 



rotary printing, Wilkinson's, 86 



Primer, new, A. N. Newton, 92 



Printing, improvements in, by Beni- 



ouski, 85 



Propellers, improvements in, 56, 115 

 Quartz, auriferous, comparative rich- 

 ness of, at different depths of the 

 same vein, 332 



