London Journal of Arts and Sceinces: And Repertory of Patent Inventions, Bind 4William Newton, Charles Frederick Partington W. Newton, 1822 |
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Side 57
... cylinder , and partly on the other ; by which means , as the form passes to and fro , it receives its sup- ply of ink without being carried out to a considerable distance , as is the case in other printing machines , where the form is ...
... cylinder , and partly on the other ; by which means , as the form passes to and fro , it receives its sup- ply of ink without being carried out to a considerable distance , as is the case in other printing machines , where the form is ...
Side 58
... cylinders or drums , which are only half the diameter of the pressing cylinder ; b , is connected , by means of toothed wheels and pinions , to the pressing cylinder ; and a has also a toothed wheel upon its axle , which connects it ...
... cylinders or drums , which are only half the diameter of the pressing cylinder ; b , is connected , by means of toothed wheels and pinions , to the pressing cylinder ; and a has also a toothed wheel upon its axle , which connects it ...
Side 59
... cylinder can be supplied with more sheets of paper in any given time , than when one feeder only is used ; and thus ... cylinder ; and the combination of two paper feeders with a printing cylinder which prints in one direction only ...
... cylinder can be supplied with more sheets of paper in any given time , than when one feeder only is used ; and thus ... cylinder ; and the combination of two paper feeders with a printing cylinder which prints in one direction only ...
Side 69
... cylinder parallel to each other , with such an obliquity to the axis that they may each form a suit- able shearing ... cylinder . Three cutting bars are suggested as the most desirable number to be twisted round a cylinder of two inches ...
... cylinder parallel to each other , with such an obliquity to the axis that they may each form a suit- able shearing ... cylinder . Three cutting bars are suggested as the most desirable number to be twisted round a cylinder of two inches ...
Side 70
... cylinder . In order to form these cutting bars with per- fect accuracy , it is proposed that six bars of steel shall be wound round a cylinder , and there operated upon by turning or grinding until they have acquired a truly con ...
... cylinder . In order to form these cutting bars with per- fect accuracy , it is proposed that six bars of steel shall be wound round a cylinder , and there operated upon by turning or grinding until they have acquired a truly con ...
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1st Sat 2d Sat acid action advantage alpaco anchor animal annatto apparatus appears applied axle balance spring bars boat boiler bottom carbonic acid carriage chevaux-de-frise colour conj consists construction containing contrivance copper Coppermine River cylinder described Diff drawing rollers eclipsed effect employed engine engraving essential oil experiments feet fixed furnaces heat holes Holyhead improved inches Institution invention iron joints Journal of Arts June labour lamp leeches length lever London machine magnesia manual labour manufacture means ment metal method Middlesex mode months for inrolment muriate observations obtained operation passing patent Perigee piece pipe placed plate present produced proposed purpose quantity reservoir rollers ropes round screw shank shewn side Society specific gravity specification spring steam substance surface tallow temperature timber tion tube upper verdigris vessel vicuna volume wheel wick wrought iron
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Side 36 - London's Encyclopaedia of Agriculture: comprising the Laying-out, Improvement, and Management of Landed Property, and the Cultivation and Economy of the Productions of Agriculture. With 1,100 Woodcuts. 8vo. 21s. London's Encyclopaedia of Gardening: comprising the Theory and Practice of Horticulture, Floriculture, Arboriculture, and Landscape Gardening.
Side 205 - ... of Florence : I perceive that your manner of working, and your designs, are rather those of a sculptor than a goldsmith ; now I have considerable undertakings in bronze, so that if you will go with me to England, I will at once make your fortune.
Side 36 - Improvement, and Management of Landed Property, and the Cultivation and Economy of the Animal and Vegetable Productions of Agriculture, including all the latest Improvements. A general History of Agriculture in all Countries, and a Statistical View of its present State, with suggestions for its future progress in the British Isles.
Side 274 - ... if it make a slight impression, denoting some degree of malleability, the iron is of a good quality, provided it be uniform; if fragments fly off, and no sensible indentation be made, the iron will be hard and brittle.
Side 146 - ... repairs in the machinery ; and should the supply of corn, &c. at any time, fall off, it is not necessary that the labour of the prisoners should be suspended; nor can they be aware of the circumstance. The...
Side 280 - Fifty lithographic prints, illustrative of a tour in France, Switzerland, and Italy, during the years 1819, 20, and 21, from original drawings taken in Italy, the Alps, and the Pyrenees, by MARIANNE COLSTON, in octavo, are preparing for publication.
Side 263 - ... pounds, two hundred and thirty-two feet, in a minute ; and of working, on an average, eight hours per day. This is equivalent to the work of thirty-four men; twenty-five square feet of canvas performing the average work of a day-labourer.
Side 273 - N. down to hit. 69 deg. comprising an extent (reckoning the indentations and sinuosities observed) of about 800 miles ! The coast visited by Captain Scoresby is a continuation towards the North of that on which were planted the ancient colonies from Iceland, the fate of which is still veiled in such deep obscurity.
Side 268 - The poets tell us, that there is a pleasure in poetic pains, which only poets know. So it may, with truth, be said, there is a labour in the historian's researches, which only historians can know: days, nay weeks, are sometimes consumed in ascertaining a date, or verifying a fact. Mr. Partington appears to have spared no pains to render his work what he, doubtless, designed it to be, and which, in truth, it is, a fair epitome of what is known relative to that stupendous machine, the steam-engine,...
Side 157 - Is magnetism identical with electricity, or an independent agent, put into motion or activity by electricity ? Queries of this kind might be considerably multiplied, and stated in more precise and various forms : the solution of them, it must be allowed, is of the highest importance; and though some persons have undertaken to answer them in the most positive manner...