Journal of the Franklin InstituteVols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
Common terms and phrases
action advantage amount appears applied arrangement bars boiler bottom carried cause claim coal color combination connected consists construction containing copper cylinder depth described desire to secure direction distance effect employed engine equal expense experiments feet force frame furnace gauge give given glass greater half heat hour important improvement inches increased invention iron known length less letters patent light lower machine manner manufacture March material matter means metal method metres miles mill motion nature nearly necessary object obtained operation pass pieces placed plate portion Premium present pressure produced propeller proportion quantity rail railway received Road rods screw secure by letters side speed spring steam steamers substantially sufficient surface tion tons tube turning vessel weight wheel whole wood York
Popular passages
Page 38 - What we claim as our invention and desire to secure by letters patent, is the combination of the materials in the general proportions above described, for making an adhesive plaster. "We also claim making plasters porous, or pervious to fluids, by perforating them with numerous minute holes.
Page 216 - 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 327 - Office a written description of the same, and of the manner and process of making, constructing, compounding and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art or science to which it appertains, or with which it is most nearly connected, to make, construct, compound, and use...
Page 109 - Having thus fully described the nature of my improvements, in the manner of constructing cooking stoves, what I claim as new therein, and desire to secure by letters patent, is, first, the...
Page 252 - Having described our invention, what we claim therein as new and desire to secure by letters patent of the United States is — " The combination of a griping chuck, by which an article Statement of the Case.
Page 330 - What I claim as my invention, and which I desire to secure by letters patent, is the before described arrangement of the vibrating hand, in combination with the revolving cradles operated by the lever, and eccentric grooved wheel or plate at the head of the axle of the cradle.
Page 106 - ... my invention. But what I do claim, and desire to secure by letters patent, is — First.
Page 35 - The Committee on Science and the Arts, constituted by the Franklin Institute of the State of Pennsylvania for the promotion of the Mechanic Arts, to whom was referred for examination, two reflecting telescopes, made by Mr.
Page 69 - All matter appears to be subject to the magnetic force as universally as it is to the gravitating, the electric and the chemical or cohesive forces...
Page 117 - ... what I claim therein as new, and desire to secure by letters patent, is the manner in which I have combined the...