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" Be it known that I, John Fitch, of Philadelphia, in the county of Philadelphia, the State of Pennsylvania, have invented a new and improved mode of preventing steam-boilers from bursting, and I do hereby declare that the following is a full and exact... "
Journal of the Franklin Institute - Seite 402
1839
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Annual Report of the Commissioner of Patents

United States. Patent Office - 924 Seiten
...the operation is much facilitated, and the products are obtained in a high degree of purity ; and 1 do hereby declare that the following is a full and exact description thereof: The first process to be performed upon the lard is that of boiling, which may be effected either by the direct...
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Journal of the Franklin Institute of the State of Pennsylvania for the ...

1834 - 896 Seiten
...music, in the place of triangles, and other instruments which are employed for a similar purpose. And 1 do hereby declare that the following is a full and exact description of mv said invention. Although more than four bells may be combined together upon my plan, I will,...
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Journal of the Franklin Institute of the State of Pennsylvania for the ...

1835 - 908 Seiten
...a ring and bale to be fixed in the eyes of millstones for the grinding of flour, or other articles; and I do hereby declare that the following is a full and exact description thereof. I make a box, usually of cast-iron, which I adapt in size to the eye of the stone. For the sake of...
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The Franklin Journal, and American Mechanics' Magazine, Bände 17-18

1836 - 1042 Seiten
...two, and the necessity of turning the flask over in the operation of moulding is altogether obviated, and I do hereby declare that the following is a full and exact description thereof. I use a mould board of cast iron, upon which the pattern and flask are to be placed. The mould board...
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Journal of the Franklin Institute of the State of Pennsylvania for the ...

1836 - 950 Seiten
...where such power may be wanted for the purposes of transportation, than has heretofore been adopted; and I do hereby declare that the following is a full and exact description thereof. My improvement does not consist in the employment of any newly invented machinery, but in the using...
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Journal of the Franklin Institute of the State of Pennsylvania for the ...

1837 - 970 Seiten
...procedure in the art of managing and supplying the fire for the generating of steam in locomotive engines, and I do hereby declare that the following is a full and exact description thereof. My improvement in the art or method of managing the fire in the furnaces of locomotive engines, consists...
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Journal of the Franklin Institute of the State of Pennsylvania for the ...

1838 - 906 Seiten
...of troops, baggage, and other articles, across rivers, &c., and for various other useful purposes ; and I do hereby declare that the following is a full and exact description thereof : I take canvas, or other flexible material, and render it impervious to •water by means of a solution...
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Journal of the Franklin Institute of the State of Pennsylvania for the ...

1839 - 938 Seiten
...improvement the process is much simplified, room is economized, and the effect is more certain and rapid, and I do hereby declare that the following is a full and exact description thereof. Instead of employing two rats, as in the process described by the said George H. Richarde, I perform...
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The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Band 33

1840 - 644 Seiten
...patented consists in substituting perforated plates of metal for the laths of wood usually employed : and I do hereby declare that the following is a full and exact description thereof. " I take," says the patentee, " thin sheets of metal ; preferring, so far as my experience has gone,...
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Iron: An Illustrated Weekly Journal for Iron and Steel ..., Band 33

Perry Fairfax Nursey - 1840 - 640 Seiten
...patented consists in substituting perforated plates of metal for the laths of wood usually employed : and I do hereby declare that the following is a full and exact description thereof. " I take," says the patentee, "thin sheets of metal ; preferring, so far as my experience has gone,...
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