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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Page 29
... oil of turpentine , caus- tic , alkaline solution ? 7 In either case , try the solution with the usual re- agents ... essential character , the fusibility or.
... oil of turpentine , caus- tic , alkaline solution ? 7 In either case , try the solution with the usual re- agents ... essential character , the fusibility or.
Page 216
... essential oil , which Dr. Ives ( see our second vo- lume , p . 141 ) could not detect ; a resin , and the bitter ... oil of an odour entirely similar to that of this yellow matter , but much more penetrating , narcotic , and very ...
... essential oil , which Dr. Ives ( see our second vo- lume , p . 141 ) could not detect ; a resin , and the bitter ... oil of an odour entirely similar to that of this yellow matter , but much more penetrating , narcotic , and very ...
Page 218
... essential oil of the prunus lauro - cerasus is to be preferred , in medical practice , to all other preparations which con- tain hydro - cyanic acid : for , unlike the distilled water of the plant , and pure prussic acid , it contains ...
... essential oil of the prunus lauro - cerasus is to be preferred , in medical practice , to all other preparations which con- tain hydro - cyanic acid : for , unlike the distilled water of the plant , and pure prussic acid , it contains ...
Page 246
... oil of juniper , camphire , the essential oil of tar , and such other of the essential oils as are most soluble in alcohol ; the relative proportions of the materials being regulated according to the kind of lamp employed , or to the ...
... oil of juniper , camphire , the essential oil of tar , and such other of the essential oils as are most soluble in alcohol ; the relative proportions of the materials being regulated according to the kind of lamp employed , or to the ...
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Common terms and phrases
1st Sat 2d Sat acid action 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 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 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 paddles passing patent Perigee piece pipe placed plate present produced proposed purpose quantity reservoir revolving rollers ropes round screw Sealed shank shewn side Society spade specific gravity specification spring steam steam-engine 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...