The Repertory of patent inventions [formerly The Repertory of arts, manufactures and agriculture]. Vol.1-enlarged ser., vol.40, Volume 261771 |
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alkaline alumina applied April arrangement August 28 axis axle boiler carbonic carbonic acid chamber chloride claim coating colour combined compound construction cylinder describe the manner described the nature employed Engineer ENGRAVING fabrics fibre fibrous fixed furnace gutta percha heat HENRY hereinbefore Improvements in machinery india-rubber invention consists iron JOHN JOHN HENRY JOHNSON July 24 June 12 Lancaster lime London machine machinery or apparatus mandril manner of performing manufacture material matters means ments metal Middlesex mixed mixture mould November 16 obtained October 19 October 23 October 30 paper pass Patent granted pieces plate potash prefer proceed to describe produced provements purpose quantity rods rollers screw Sealed August Sealed July Sealed November Sealed October 30 Sealed September 25 September 18 September 25 shaft sheet soda solution Specification steam substance suitable sulphate sulphuric acid surface tion tubes vessel WILLIAM wire witness zinc
Popular passages
Page 144 - Having thus described the nature of my invention, and the manner of performing the same, I would have it understood that I do not confine myself to the details...
Page 205 - Nicole, do hereby declare that the nature of my said Invention, and the manner in which the same is to be performed, are...
Page 437 - I consider to be new in the processes above described, and therefore claim as the invention secured to me by the hereinbefore in part recited Letters Patent is, 1.
Page 133 - Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is (d).
Page 365 - and that the Instrument in Writing under my Hand and Seal, hereunto annexed, particularly describes and ascertains the Nature of the said Invention and the Manner in which the same is to be performed...
Page 83 - A similar appliance to the last-mentioned for the use of needlewomen. For this purpose screens are to be provided, both of green and of blue gelatine paper ; so that the white materials employed in needlework may be changed to a pleasant green, by the screen of that colour, the yellow materials to a green by the blue screen, and by one or other of these screens the reds softened down into violets or browns. 4. For either of the two last purposes on a larger scale, the gelatine paper may be attached...
Page 348 - And in order that my invention may be most fully understood, and readily carried into effect, I will proceed to describe the means pursued by me in carrying out my invention.
Page 83 - It is commonly manufactured in sheets, measuring twenty-two inches in length and sixteen inches in diameter, which are sold at a small price ; but the sheets can as easily be made of any dimensions not exceeding those of which plate-glass is capable. It can be made of any thickness, from that of the finest tissue paper upwards. It may be obtained as transparent as the best glass, and more free from colour, or of all colours and shades of colour, without interfering with its transparency. It is exceedingly...
Page 362 - ... sulphuric acid. This powder is then passed through a fine sieve, of about 80 meshes to the square inch. One ton of it is intimately mixed with 21 cwt. of sulphuric acid, having a specific gravity of about 1735, and afterwards as much water added as would reduce the specific gravity of the sulphuric acid employed to about 1350. It is then placed in a leaden or other suitable vessel, and steam or fire heat applied, being well agitated until it reaches a temperature of 212°...
Page 331 - I wish it to be understood that I do not limit myself to the special construction and arrangement of parts herein specified, as these may be Varied without changing the principle or mode of operation.