19. Printing in colors, 20. Basin or platform for dry docks, 21. Coating iron, &c., with tin, zinc, &c., 22. Permutation lock, J. Carr, J. Shannon & W. Carr, 320 ib. 321 ib. 322 it. ib. ib ib. 323 36* R. Moody & S. D. Dakin, 23. Cutting and clearing land of the sugar cane, Norbert Lauve, 24. Coffee boilers, 25. Block letters, mouldings, &c., Daniel Rowland, American Quarterly Journal of Agriculture and Science, Notice of the Nathaniel P. Stearns, . 388 ib.' 218 341 139 213 404 Alger, F., Notice of Phillips' Mineralogy by Amphitype, a new protographic process, Description of the Ancient tunnel, Account of an Arched floors, Account of the falling of a mill at Oldham having brick Acid, Method of preparing benzoic 259 340 136 307 289 355 Atmospheric air, New bleaching principle produced by slow combustion of ether in 354 418 198 420 134 357 420 346 357 418 259 340 Blasting at Spithead, Improvements in sub-marine 214 Bleaching principle produced by slow combustion of ether in atmospheric air, Bolts, nails, &c., Composition applicable to the manufacture of-patent, Bridge building, Expeditious 396 289 368 1 357 413 73 288 ib. 289 142 61 Chemical constituents of beet sugar, 357 --- reactions produced by bodies which only intervene by contact, Connecting crank, by E. Galloway, Copper, Prize essay on atomic weights of sulphur, iron, and , zinc, &c., Process for coating iron with Crystals in the cavities of topaz, Dean, Prof. James, On the diameter of screws, 217 122 407 142 202 352 360 306 Electricity developed in the manufacture of machine made paper, Electrotye process, Deposition on minute objects by the Ellis' turn tables for railways, Description of Ether in atmospheric air, New bleaching principle produced by the slow combustion of 354 on the Dover railway, Manchester and Leeds railway, Fire, Cement for protection against moisture and-patent, Furnaces for vitrification, &c. in the laboratory, Hydrogen 16 220 298 361 308 31 404 416 289 61 356 34 135 139 Fraley, Esq. F., Address at close of the fourteenth exhibition air duct to prevent smoke in glass, FRANKLIN INSTITUTE. Proceedings of the Committee on Science and the Arts. Report on the explosion of the locomotive engine Richmond, on board the Portsmouth, Ricket's improvement in the piano forte, Committee on Exhibitions. Address of F. Fraley, Esq., at the close of the fourteenth exhibition, Gas, Manufacture of coal 16 31 266 34 105, 155 127 —, new bleaching principle produced by the rapid combustion of bodies in hydrogen 354 gas, new bleaching principle produced by the rapid combustion of bodies in 135 |
