The London journal of arts and sciences (and repertory of patent inventions) [afterw.] Newton's London journal of arts and sciencesWilliam Newton 1846 |
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acid alumina ammonia application arrangement atmospheric railway attached bars boiler carbonate carbonic acid carriages centre coal gas coloring matter combination conj connected construction cork county of Middlesex cylinder Dalkey December-6 months described diameter dyeing elastic employed engines fabric feet flue frame furnace Gent gutta-percha heat improvements in machinery inches India-rubber Inrolment Office invention consists iron JOHN RENNIE July-6 months lever lime locomotive London machine machinery or apparatus madder manner manufacture means ments metal Middlesex mode months for inrolment mordant motion moulds nitric acid November-6 months obtained October-6 months operation ordinary palm oil paper passes patentee claims pieces pinions pipe piston placed plate portion potash produced purpose quantity ratchet-wheel revolving rollers screw Sealed 10th shaft sheet shew side soap steam stearine substances sulphuric acid surface temperature threads tion tube upper valve vertical vessel weft wheel William XXVII
Popular passages
Page 73 - Civil Engineer, for Certain improvements in propelling carriages on railways and common roads, and vessels on rivers and canals.
Page 222 - ... the sole working or making of any manner of new manufactures, within this realm, to the true and first inventor and inventors of such manufactures, which others, at the time of making such letters patent and grant, shall not use...
Page 184 - ... by wires with the extremities of an active battery, oxygen is disengaged at the positive electrode, and hydrogen at the negative, in the proportion of one measure of the former to two of the latter nearly.
Page 272 - ... some degree been omitted in the preceding report. In treating of the quantity of air entering into combination with the volatile products of pit coal, Mr. Murray states, that " The quantity of air chemically required for the combustion of 1 Ib. of coal has been shown to be 150-35 cubic feet, of which 44454?
Page 219 - As the result of these experiments, it would seem that there may be situations in which the arrangements I have made for passing electricity across the rivers may be useful, although experience alone can determine whether lofty spars, on which the wires may be suspended, erected in the rivers, may not be deemed the most practical. The experiments made were but for a short distance ; in which, however, the principle was fully proved to be correct. It has been applied, under the direction of my able...
Page 258 - I would here state, that although the manures made in carrying out this invention will have Various matters combined with the alkaline carbonates, no claim of invention is made thereto separately, and such materials will be varied according to the matters which the land to be manured requires to have returned to it, in addition to the mineral substances above mentioned. The quantity of carbonate or phosphate of lime, used with carbonate of soda or potash, may be varied according to the degree of...
Page 272 - ... with the solid portion of the coal. From the chemical changes which take place in the combination of the hydrogen with oxygen, the bulk of the products is found to be to the bulk of the atmospheric air required to furnish the oxygen, as 10 is to 11.
Page 219 - E, is the electro-magnet ; w, w, are the wires along the banks, conMeeting with copper plates, f, g, h, i, which are placed in the water. When this arrangement is complete, the electricity generated by the battery, passes from the positive pole p, to the plate h, across the river, through the water to plate i, and thence around the coil of the...
Page 453 - ... arrangement, it could be carried on even up to the bow. He was of opinion, that the leeward paddle-wheel had not much power to keep a vessel up to the wind; it was so close to the ship's side, that its leverage was not considerable. Sir Charles Napier thought, the principal danger of the screw propeller, was in running before the wind, in a heavy sea. If struck by a heavy wave, the sternpost and the propeller might be carried away together; as also in case of getting on shore, the screw would...
Page 454 - The screw-propeller was more easily disconnected from the engines than the paddle-wheels, should it be required to save fuel, or if the engines were disabled, — and the ship being properly rigged, a decidedly efficient sailing ship still remained, which in a paddle-wheel ship was not possible. The screw propeller was less liable to be damaged by heavy seas, or by shot, than paddle-wheels. Very recently, the West India Royal Mail Steam-packet