The Engineer's & Mechanic's Encyclopeadia ...: The Machinery & Processes Employed in Every Description of Manufacture of the British Empire, Volume 2

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Kelly, 1849 - Technology
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Page 118 - ... the lever, the wheel, and axle, the pulley, the inclined plane, the wedge and the screw — and the effects resulting from their various combinations.
Page 263 - Provided also and be it declared and enacted, that any declaration before mentioned shall not extend to any letters patent and grants of privilege for the term of fourteen years or under, hereafter to be made of the sole working or making of any manner of new manufactures within this Realm, to the true and first inventor and inventors of such manufactures, which others at the time of making such letters patents and grants shall not use...
Page 651 - A Description and Draught of a new-invented Machine, for carrying Vessels or Ships out of, or into, any Harbour, Port, or River, against Wind and Tide, or in a calm.
Page 268 - ... not being such disclaimer or such alteration as shall extend the exclusive right granted by the said letters patent ; and such disclaimer or memorandum of alteration, being filed by the said clerk of the patents, and enrolled with the specification, shall be deemed and taken to be part of such letters patent or such specification in all courts whatever...
Page 264 - Utility; that he is the true and first Inventor thereof; and that the same is not in use by any other Person or Persons, to the best of his Knowledge and Belief...
Page 177 - In this operation, portions of yarn several yards long are forcibly stretched in the direction of their length, with a view to elongate and reduce those places in the yarn which have a greater diameter and are less twisted than the other parts, so that the size and twist of the thread may become uniform throughout. To effect the process of stretching, the spindles are mounted upon a carriage, which is moved...
Page 362 - ... its capacity will be enlarged, the valve F will be shut by its own weight, the air in the bag will be rarefied, and the atmosphere will press the water into the bag. When the rod is thrust down again, this water will come out by the valve F, and fill part of the trunk.
Page 580 - SHEATHING, in naval architecture; a sort of covering nailed all over the outside of a ship's bottom, to protect the planks from the pernicious effects of worms. This sheathing, in former years, consisted of thin boards; but sheets of copper having been found far preferable, these have of late been almost universally adopted, especially in long voyages.
Page 631 - L pass with irresistible. force through o into p, pushing out all the air before it, through the clack r, making a noise as it goes ; and when all is gone out, the bottom of the vessel P will be very hot. Then pull the handle of the regulator to you, by which means you stop...
Page 268 - ... enter a memorandum of any alteration in the said title or specification, not being such disclaimer or such alteration as shall extend the exclusive right granted by the said letters patent...

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