Repertory of Arts, Manufactures, and Agriculture: Consisting of Original Communications, Specifications of Patent Inventions ...T. and G. Underwood, 1820 |
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acres allow apparatus applied arsenic arsenic acid ascertained axis barrel boiler bushels carriage carrots cloth coal cock colour common salt condenser crop cubic foot cured cylinder Dated drawing Dutch effect engine experiment Eyemouth fire fixed fluid force furnace gas-holder gasometer glass Glass of antimony heat horses hygrometer improved inches induction-pipe 21 invention iron land leucine levers Lochfine lucern machine machinery manner MANUFACTURES manure means Messrs metal method mode motion muriate nickel nitric acid observed oxyd pass piece pipe piston plate potash present produce purpose quantity rollers rotary engine rowlock screw shewn shews side slider smoke Society soda soil solution spring spring-box square perch steam steam-engine stone substance Suffolk sulphite sulphuret sulphuric acid surface tallow temperature tion transverse bar turned turnips valves vapour vessel week weight wheel wire XXXVII-SECOND SERIES yards
Popular passages
Page 146 - Now Know Ye, that in compliance with the said proviso, I, the said Adolphe Nicole, do hereby declare that the nature of my said Invention, and the manner in which the same is to be performed...
Page 9 - I do hereby declare this to be my specification of the same, and that I do verily believe this my said specification doth comply in all...
Page 197 - Now know ye, that in compliance with the said proviso, I, the said Grant Preston, do hereby declare that the nature of my said invention, and the manner in which...
Page 84 - ... pan, with nearly as much water as it will hold ; boil the mixture gently for four or five hours, adding water from time to time, to supply the place of that driven off by evaporation ; then, carefully strain the liquor from the dregs, through a cloth; and, when cold, it will form a strong jelly, which may be called, size No. 1. . Return the dregs of the preceding process into the pan, fill it up with water, and again boil it as before, for four or five hours : then strain off the liquor, and...
Page 85 - ... when this has dried, pour on another portion, and afterwards the remainder : when the whole has again become dry, rub it over lightly with fine glass-paper, and the process is completed ; it may, accordingly, be cut away from the slab of slate, and is ready for use.
Page 84 - Take three sheets of drawing paper, (outsides will answer the purpose perfectly well, and being much cheaper, are therefore to be preferred,) wet them on both sides with a soft sponge dipped in water, and paste them together with the size No. 2. While they are still wet, lay them on a table, and place them upon a smooth slab of writing slate, of a size somewhat smaller than the paper.
Page 82 - S wet brush, and the facility with which the artist may scrape off the colour from any particular part, by means of the point of a knife or other convenient instrument, and thus heighten and add brilliancy to the lights in his painting, more expeditiously...
Page 85 - ... piece of slate in coarse sand-paper, and with this rubber make the surface of the paper quite even and smooth. Then paste on an inside sheet, which must be quite free from spots or dirt of any kind, cut off the projecting edges as before, and when dry rub it with fine glass paper, which will produce a perfectly smooth surface.
Page 307 - ... 1 oz., being little more than one-third of the other. The fruit on the blackened part of the wall was also much finer, the bunches were larger, and ripened better than on the other half; the wood of the vine was likewise stronger, and more covered with leaves on the blackened part.
Page 98 - ... was allowed to enter ; the thermometer rose -to 55°, but the point of condensation remained the same. A party of eight persons afterwards occupied the room for several hours, and the fire was kept up ; the temperature rose to 58°, and the point of condensation rose to 52°.