N Nails, patent for a new method of making them, Noble, Mr. Edward Moore. Patent for a new method of Oak timber, questions proposed by the Commissioners of Oil, method of extracting it from the seed of the poppy, Oxalates, their composition, 345; decomposition of them, 348 Oxalic Acid, observations on it, P Paper, patent for making it by means of machines, 337.394 Parry, Dr. Enquiry into the causes of the decay of wood, and the means of preventing it, Patten, patent for an improved one, - 50.% 71. 142. 215. 286. 359. 4 Phelps, Samuel, Esq. Patent for improvements in manufac- 350 946 Philips and Lee, Messrs. Observations on the combustion of 262 gas from coal at their cotton-manufactory, Plowden, Francis, Esq. Patent for apthartic viands, 306 34 of of seed, ibid.; time of sowing and weeding, 119; har- R Page 324 186 Rail Roads, description of improved tram-plates for them, 388 Economy, 252 Rotary Motion, patent for a mode of producing one, 36; 364 S Sails, account of improved ones for vessels of all descrip- Salts, on super-acid and sub-acid ones Shepheard, Captain, his report on Captain Cowan's sails - 255 - 409 255 256 in distress, by means of a shell from a mortar, 315 31 157 Soap, Patents for improvements in manufacturing it, 246.362 186 Stedman, Mr. John. Patent for a patten and clog, Sykes, Capt. Certificate respecting Capt. Cowan's sails, 123 370 257 256 T Tar, T Page 321 337.394 Tar, on the use of it for cattle swelled with eating clover, 213 259 388 V Vancouver, Mr. J. Letter on Le Caan's improved tram- plates for rail roads, Virginia Fly, account of its ravages among corn, W 389 376 43 Water, cheap apparatus for filtering and purifying it, fruits which require artificial heat, Wheel Carriages, improvements on them, 306; on the means 376 of giving the same intensity of pressure to their wheels, 328 spinning wool, cotton, hemp, &c. Williams, John, Esq. His account of a method of hasten- 1 ing the maturation of grapes, 200 manufacturing nails, 366 Wine, Family, recipe for making it, 47 409 of preventing it, Wollaston, Dr. W. H. On super-acid and sub-acid salts, patent for machinery for sawing it, 50.93 31 Wool, patent for improved machinery for preparing and spinning it, 1 Nichols and Son, Printers, Red Lion Passage, Fleet Street. |