Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers, Metallurgists, Mine Proprietors, Engineers, Shipbuilders, Scientists, Capitalists ..., Volume 11Perry Fairfax Nursey Knight and Lacey, 1829 - Industrial arts |
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Page 54
... bave exhibited , and , in his opinion , produce curves much more intricate ; " and in his next communication , he says that he " con- saw , when my specimens ap- peared , that my chuck was structed on the same principle as his model ...
... bave exhibited , and , in his opinion , produce curves much more intricate ; " and in his next communication , he says that he " con- saw , when my specimens ap- peared , that my chuck was structed on the same principle as his model ...
Page 155
... bave just said , be one embracing the whole truth of the case , and not , like some in- quiries which we have heard of , as sometimes taking place in Commit- tees of the House of Commons , as well as elsewhere , at which such persons ...
... bave just said , be one embracing the whole truth of the case , and not , like some in- quiries which we have heard of , as sometimes taking place in Commit- tees of the House of Commons , as well as elsewhere , at which such persons ...
Page 169
... a semi- circle B D A. With a pair of com- passes that bave equal legs and fine points , and that will stand steadily at any opening , take the distance BD ( that is , the chord of the are 170 B D ) , and apply it successively to.
... a semi- circle B D A. With a pair of com- passes that bave equal legs and fine points , and that will stand steadily at any opening , take the distance BD ( that is , the chord of the are 170 B D ) , and apply it successively to.
Page 181
... bave a tendency to raise it , pro- vided that edge of the sail next the wind be highest ; but should it be 181 the lowest , the aeronaut will be swiftly precipitated to the earth . And this circumstance is one which demands his most ...
... bave a tendency to raise it , pro- vided that edge of the sail next the wind be highest ; but should it be 181 the lowest , the aeronaut will be swiftly precipitated to the earth . And this circumstance is one which demands his most ...
Page 197
... bave always considered Mr. South's papers on this subject to be distinguished by great singleness of zeal for the interests of science and the honour of bis country ; and so little reason is there for ascribing them to any scheme of ...
... bave always considered Mr. South's papers on this subject to be distinguished by great singleness of zeal for the interests of science and the honour of bis country ; and so little reason is there for ascribing them to any scheme of ...
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Common terms and phrases
angle Apollonicon apparatus appears applied ascer body bottom cardioid carriage centre Child circle clock communication conductor construction continued fraction correspondent curve cycloid cylinder described diameter digits distance ditto drawing duced effect electricity ellipsis engine epicycloid equal escape experiments feet figure fire fire-escape fixed Fleet Street force friction geometric chuck give given ground IBBETSON'S improvement inches invention iron ladder lathe length less lever London machine Magazine magnet means Mechanics ment metal method mode Nautical Almanac nerally notice observations ORNAMENTAL TURNING paddles paper perpetual motion persons plane present principle produced purpose quantity quired radius radius of curvature ratus readers respect rope screw scribed side slide sluice specimens steam suppose surface tained THAMES TUNNEL thing tical tion tricity tube Tunnel velocity vessel weight wheel zine
Popular passages
Page 425 - That not to know at large of things remote From use, obscure and subtle, but to know That which before us lies in daily life, Is the prime wisdom...
Page 270 - II went," (It comes,) and the tree was instantly launched down the slide, preceded by the cry which was repeated from post to post As soon as the tree had reached the bottom, and plunged into the lake, the cry of Lachez was repeated as before, and a new tree was launched in a similar manner.
Page 427 - Sulphur melts 226 Water boils -- 212 A compound of three parts of tin, five of lead, and eight of Bismuth melts...
Page 270 - Rupp was himself obliged, more than once, to be suspended by cords, in order to descend precipices many hundred feet high ; and in the first months of the undertaking he was attacked with a violent fever, which deprived him of the power of superintending his workmen. Nothing, however, could diminish his invincible perseverance.
Page 169 - But nature makes that mean : so, over that art Which you say adds to nature, is an art That nature makes. You see, sweet maid, we marry A gentler scion to the wildest stock, And make conceive a bark of baser kind By bud of nobler race : this is an art Which does mend nature, change it rather, but The art itself is nature.
Page 271 - ... trees. Such is a brief account of a work undertaken and executed by a single individual, and which has excited a very high degree of interest in every part of Europe. We regret to add, that this magnificent structure no longer exists, and that scarcely a trace of it is to be seen upon the flanks of Mount Pilatus. Political circumstances having taken away the principal source of the demand for timber, and no other market having been found, the operation of cutting and transporting the trees necessarily...
Page 183 - He was the first that brought tobacco into England, and into fashion. In our part of North Wilts, eg Malmesbury hundred, it came first into fashion by Sir Walter Long.
Page 406 - ... and the magnificent discoveries, magnificent in point of real utility, which he made, afford ample proof that it was not till after due deliberation that he thus changed the nature of his studies. Though almost every branch of science at different times engaged the attention of Dr. Wollaston, chemistry was that to which he seems to have been most ardently devoted ; and it is by his investigations in this department of natural philosophy that he will enjoy his greatest share of lasting reputation....
Page 253 - Any how it is evident, that for cavalry officers at least, the percussion magazine locks are undoubtedly to be preferred ; and for both officers and men, I will observe en passant, that it is far better to have one double pistol, than two, or half a dozen single ones; and that, whether one or two pistols be used, they should, upon going into action, be secured by a thong to the sword-belt, so as, in case of need, to be instantly disposed of by being dropped over the left shoulder. By having only...
Page 269 - It is about three leagues, or 44,000 English feet long, and terminates in the Lake of Lucerne. It has the form of a trough, about six feet broad, and from three to six feet deep. Its bottom is formed of three trees, the middle one of which has a groove cut out in the direction of its length, for receiving small rills of water, which are conducted into it from various places, for the purpose of diminishing the friction.