The Repertory of Patent Inventions, and Other Discoveries and Improvements in Arts, Manufactures, and Agriculture: Being a Continuation, on an Enlarged Plan, of the Repertory of Arts and Manufactures ...

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T. and G. Underwood, 1809
 

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Seite 257 - 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, are particularly described and ascertained in and by the following statement thereof, reference being had to the Drawing hereunto annexed, and to the figures and letters marked thereon...
Seite 88 - ... the fiftieth part of an inch more in girt than they would do if they stood on one acre, this small additional increase in girt would pay an ample rent for the additional acre. In the year 1791 a paper of Observations on the Propagation and Management of Oak Trees in general, but more particularly applying to his Majesty's New Forest in Hampshire, was published by- T.
Seite 328 - STONE": in which said Letters Patent there is contained a proviso obliging me, the said Joseph Aspdin, by an instrument in writing under my hand and seal, particularly to describe and ascertain the nature of my said invention, and in what manner the same is to...
Seite 269 - The Bakerian Lecture ; an Account of some new analytical Researches on the Nature of certain Bodies, particularly the Alkalies, Phosphorus, Sulphur, Carbonaceous Matter, and the Acids hitherto undecompounded ; with some general Observations on Chemical Theory.
Seite 160 - JN the following pages I shall do myself the honour of laying before the Royal Society an account of the results of the different experiments, made with the hopes of extending our knowledge of the principles of bodies by the new powers and methods arising from the applications of electricity to chemistry, some of which have been long in progress, and others of which have been instituted since their last session. The objects which have principally occupied my attention are, the elementary matter of...
Seite 318 - Cotton-spinner ; for a new method of prr-.paring hemp, flax, hurds, short tow, and clearings, and other inferior parts of hemp and flax, either alone or mixed with cotton wool, for the purpose of spinning the same into yarn or thread, and also certain improvements in the mode of spinning the same.
Seite 285 - A gazometer, containing seven hundred -cubical feet of gas, weighs about twenty hundred weight, and costs about two pounds ten shillings the hundred weight. The whole of an apparatus complete, capable of supporting forty lamps for four hours, each lamp affording light equal to ten candles of eight in the pound, will cost about two hundred and fifty pounds. Each lamp consumes six cubical feet of gas per hour.
Seite 170 - ... by adding water to the residuum, which after this operation was found to be potash. No notice is taken of the properties of this residuum, which, as the details seem to relate to a single experiment, probably was not examined ; nor as moisture was present at the beginning of their operations could any accurate knowledge of its nature have been gained. I have made the residuum of the fusible substance after it has been exposed to a dull red heat, out of the contact of moisture, an object of particular...
Seite 270 - ... which boracic acid, heated in contact with potassium in a gold tube, was converted into borate of potash, at the same time that a dark coloured matter, similar to that produced from the acid by electricity, was formed. About two months after this experiment had been made, namely, in the beginning of August, at a time that I was repeating the process, and examining minutely the results, I was informed, by a letter from Mr. CADELL at Paris, that M. THENARD was employed in the decomposition of the...
Seite 63 - Elliqtt, of the parish of St. Mary, Lambeth, in the county of Surrey, coach-maker ; for certain improvements in the construction of coaches, chariots, barouches, landaus, and various other fourwheel carriages.

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