London Journal of Arts and Sceinces: And Repertory of Patent Inventions, Volume 4William Newton, Charles Frederick Partington W. Newton, 1822 - Industrial arts |
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Results 1-5 of 36
Page 5
... give a uniform alternating motion to the piercers , instead of working them by manual labour . The cords for lacing are to be passed through the apertures thus made in the ropes by means of needles by hand ; and are each of them caught ...
... give a uniform alternating motion to the piercers , instead of working them by manual labour . The cords for lacing are to be passed through the apertures thus made in the ropes by means of needles by hand ; and are each of them caught ...
Page 39
... give it out or assimilate it immedi- ately ; but convey it under the form of carbonic acid to the leaves , where it is decomposed . Oxygen is indeed assimilated to the plant , but not directly , and only by means of the decomposition of ...
... give it out or assimilate it immedi- ately ; but convey it under the form of carbonic acid to the leaves , where it is decomposed . Oxygen is indeed assimilated to the plant , but not directly , and only by means of the decomposition of ...
Page 58
... gives the impression ; B , is the form of types passing to and fro under it ; a , and b , are two light cylinders or drums , which are only half the diameter of the pressing cylinder ; b , is connected , by means of toothed wheels and ...
... gives the impression ; B , is the form of types passing to and fro under it ; a , and b , are two light cylinders or drums , which are only half the diameter of the pressing cylinder ; b , is connected , by means of toothed wheels and ...
Page 73
... give the patentee an exclusive right to the vending of this nostrum , we do not pretend to say ; but this patent , in sober seriousness , appears to us to be a sort of experiment upon the credulity and understand- ing of the age ...
... give the patentee an exclusive right to the vending of this nostrum , we do not pretend to say ; but this patent , in sober seriousness , appears to us to be a sort of experiment upon the credulity and understand- ing of the age ...
Page 78
... gives the decrement for the next preceding degree . Thus , all the respective volumes belonging to each temperature ... give a different result to one made upon the supposition of the ratio being ; though , 1 even allowing this to be ...
... gives the decrement for the next preceding degree . Thus , all the respective volumes belonging to each temperature ... give a different result to one made upon the supposition of the ratio being ; though , 1 even allowing this to be ...
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Common terms and phrases
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
Popular passages
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Page 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.
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Page 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.
Page 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...
Page 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.
Page 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.
Page 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.
Page 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,...
Page 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...