London Journal of Arts and Sceinces: And Repertory of Patent Inventions, Volumen4William Newton, Charles Frederick Partington W. Newton, 1822 |
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Página 17
... body of the carriage . Plate II . fig . 5 , exhibits the contrivance of a plane or horizontal view of a four - wheeled carriage ; but a car- riage upon two wheels may be constructed on the same principle , the ordinary shafts being made ...
... body of the carriage . Plate II . fig . 5 , exhibits the contrivance of a plane or horizontal view of a four - wheeled carriage ; but a car- riage upon two wheels may be constructed on the same principle , the ordinary shafts being made ...
Página 18
... body of the improved carriage . By this contrivance , as the axle does not extend across the frame , a large space is obtained , in which heavy mer- chandise may be suspended near the ground , thereby preventing the risk of overturning ...
... body of the improved carriage . By this contrivance , as the axle does not extend across the frame , a large space is obtained , in which heavy mer- chandise may be suspended near the ground , thereby preventing the risk of overturning ...
Página 26
... Bodies . By A. B. GRANVILLE , M. D. * THE first steps to be taken consist in examining the vegetable body physically ; and next as to its chemical properties . The colour , taste , flavour , smell , external appearance , botanical and ...
... Bodies . By A. B. GRANVILLE , M. D. * THE first steps to be taken consist in examining the vegetable body physically ; and next as to its chemical properties . The colour , taste , flavour , smell , external appearance , botanical and ...
Página 27
... 2. Filter the decoction , mark its colour , taste , flavour , and perfume . 3. Test it with the same re - agents , and note the results ; and whether or not they be similar to those obtained Method of Analysing Vegetable Bodies . 27.
... 2. Filter the decoction , mark its colour , taste , flavour , and perfume . 3. Test it with the same re - agents , and note the results ; and whether or not they be similar to those obtained Method of Analysing Vegetable Bodies . 27.
Página 30
... bodies are reduced to the state of fusion . In re- turn too for the character which is thus lost , we gain a new one in the appearance of the otherwise infusible body after it has been melted . This apparatus was first made at the ...
... bodies are reduced to the state of fusion . In re- turn too for the character which is thus lost , we gain a new one in the appearance of the otherwise infusible body after it has been melted . This apparatus was first made at the ...
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Términos y frases comunes
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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Página 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.
Página 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.
Página 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,...
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