The Technical repository, by T. Gill, Band 4Thomas Gill (patent-agent) 1823 |
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Seite 2
... oxide of arsenic in both cases it assumes the form of vapour . The Auoric compounds are produced by the decomposi- tion of the fluor spar , or fluate of lime , during the chemical changes occurring in the calcination of the ore . The ...
... oxide of arsenic in both cases it assumes the form of vapour . The Auoric compounds are produced by the decomposi- tion of the fluor spar , or fluate of lime , during the chemical changes occurring in the calcination of the ore . The ...
Seite 14
... oxide ; and this oxide , having a strong disposition to com- bine with oxygen , takes it from the air , and is reconverted to the state of nitrous acid ; so that there is a constant series of compositions and decompositions going on ...
... oxide ; and this oxide , having a strong disposition to com- bine with oxygen , takes it from the air , and is reconverted to the state of nitrous acid ; so that there is a constant series of compositions and decompositions going on ...
Seite 18
... oxide of carbon ; so that , as very little soot is deposited in the flues , and very little carbonaceous smoke is formed and sent into the air ; it may be concluded that almost the whole of the fuel used is converted into carbonic acid ...
... oxide of carbon ; so that , as very little soot is deposited in the flues , and very little carbonaceous smoke is formed and sent into the air ; it may be concluded that almost the whole of the fuel used is converted into carbonic acid ...
Seite 22
... oxidation on the surface of the iron plates , and also of excluding the air while the edges of the metal are ( at a temperature very much below its melting point , ) by the hammer brought into perfect cohesion . " We must own , this is ...
... oxidation on the surface of the iron plates , and also of excluding the air while the edges of the metal are ( at a temperature very much below its melting point , ) by the hammer brought into perfect cohesion . " We must own , this is ...
Seite 24
... oxidation , to which it is extremely liable ; and that the welding sand used for iron , was totally unfit for this purpose . He preferred finely - powdered glass of borax , or the greenish - black glass of which common bottles are made ...
... oxidation , to which it is extremely liable ; and that the welding sand used for iron , was totally unfit for this purpose . He preferred finely - powdered glass of borax , or the greenish - black glass of which common bottles are made ...
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advantage alloy apparatus appears applied Arts bark barytes beets boiler boiling borax bronze burnisher calciners carbon carbonic acid cast cast-iron charcoal colour contained copper cylinder deflagrator diameter effect employed Enamel engine equal experiments farina fire flame flour flue fluid Flux formed furnace glass globules gold grains of sulphur ground heat holes improvements inches invention iron Jacob Perkins larch leather liquor mackarel manner manufacture means medals melted metal method mode mould nitric acid obtained operation oxide oxygen passed Patent perfectly pieces pipe piston plate plumbago potatoes precipitate present produced proportion purpose quantity reverberatory furnace salt screw shew shewn Shower Chamber silver Sir Thomas Frankland smoke soldered spindle steam steam-engine steel substance sufficient sugar sulphate sulphurous acid surface tanning thick tion tube turpentine vessel washed water of crystallization weight whilst wire zinc
Beliebte Passagen
Seite 291 - 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 255 - I fixed a paddle wheel at the stern, and drove it down the Schuylkill to the Delaware, and up the Delaware to the city, leaving all the vessels going up, behind me, at least half way, the wind being ahead.
Seite 285 - Now know ye, that in compliance with the said proviso, I, the said Arthur Howe Holdsworth, do hereby declare that the nature of my said invention, and the manner in which the same is to be performed, are particularly tiescribed and ascertained in and by the following description thereof, reference being had to the drawing hereunto annexed, and to the figures and letters marked thereon...
Seite 254 - ... in twelve hours, made a great show and excited much attention. I thought this was sufficient to convince the thousands of spectators of the utility of my discovery ; but I frequently heard them inquire if the power could be applied to saw timber as well as stone, to grind grain, propel boats, etc., and though I answered in the affirmative, I found they still doubted.
Seite 256 - It is too much for an individual to put in operation every improvement which he may invent. I have no doubt but that my engines will propel boats against the current of the Mississippi, and wagons on turnpike roads, with great piofit. I now call upon those whose interest it is to carry this invention into effect. All which is respectfully submitted for your consideration.
Seite 249 - I also showed to them my drawings, and minutely explained to them the powers of steam. They appeared fully to comprehend all I said, and in return informed me of some experiments they themselves had made, one of which they showed me. They placed a gun-barrel having a hollow arm, with a small hole on one side at the end of the arm, similar to Barker's rotary tube mill...
Seite 251 - I was then in full health, I might be suddenly carried off by the yellow fever, that had so often visited our city (Philadelphia), or by some other disease or casualty, to which all are liable...
Seite 196 - In various places, near the edges, the diamond was consumed, with deep indendations, and occasionally where a fragment had snapped off, by decrepitation, it disclosed a conchoidal fracture and a vitreous lustre. These results were nearly uniform, in various trials ; and every thing seems to indicate that were the diamond a good conductor, it would be melted by the deflagrator ; and were it incombustible, a globule would be obtained by the compound blow-pipe.
Seite 99 - I therefore hereby claim exclusive privilege for the following improvements only : that is to say, first — for heating water or other fluid or fluids, for the purpose of generating steam for steam-engines, in a vessel or vessels, kept (during such process of heating) full of such water or other fluid or fluids, and under a pressure greater than the expansive force of the steam to be generated from such water or other fluid or fluids, at the time of its generation. Secondly...
Seite 255 - This was a fine opportunity to show the public that my engine could propel both land and water carriages, and I resolved to do it. When the work was finished I put wheels under it, and though it was equal in weight to two hundred barrels of flour, and the wheels...