Journal of the Franklin Institute, Volume 17; Volume 47Elsevier, 1849 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-59. |
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anthracite anthracite iron apparatus application attached beam boiler bolt bottom bridge calorimeter carbonic acid cast iron cent centre chamber charcoal claim the combination coal combustion copper curved cutter cylinder deflexion described desire to secure elastic engine experiments February 20 feet flanch flues frame FRANKLIN INSTITUTE furnace gases girder glass groove gutta percha heat holes horizontal hydrogen improvement consists inches invention consists letters patent lever machine machinery magnetic manner set manufacture Massachusetts means metal method miles mode motion nature operation oven oxide paddles passing Patent Office patentee says Pennsylvania pieces pipe piston placed plate present pressure produced propeller purpose set quantity rail railway revolving rollers screw secure by let secure by letters shaft side sliding spring steam stove substantially as set surface temperature ters patent tion tons tube U. S. Patent Office upper valve vertical vessel weight wheel whole York
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Page 478 - What we claim as our invention, and desire to secure...
Page 209 - 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 and report the subject of " The Progress of the Survey of the Coast of the United States...
Page 207 - 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 a Solar Compass, invented by WM.
Page 194 - And yet it is so mobile, that we have lived years in it before we can be persuaded that it exists at all, and the great bulk of mankind never realize the truth that they are bathed in an ocean of air. Its weight is so enormous, that iron shivers before it like glass ; yet a soap-bell sails through it with impunity, and the tiniest insect waves it aside with its wing.
Page 194 - ... nestle to repose. In the morning, the garish sun would at one bound burst from the bosom of night, and blaze above the horizon ; but the air watches for his coming, and sends at first...
Page 121 - ... numberless series of pilasters, arches, castles well delineated, regular columns, lofty towers, superb palaces, with balconies and windows, extended alleys of trees, delightful plains with herds and flocks, armies of men on foot and horseback, and many other strange images, in their natural colours and proper actions, passing rapidly in succession along the surface of the sea...
Page 382 - Having thus fully described the manner in which I construct and employ my portable coffer dam, what I claim therein as new, and desire to secure by letters patent, is the manner in which I have arranged and combined...
Page 177 - In case of opposition by any person to the extension of a patent, both parties may take testimony, each giving reasonable notice to the other of the time and place of taking said testimony, which shall be taken according to the rules prescribed by the Commissioner of Patents in case of interference.
Page 193 - ... and symbol. It floats around us like that grand object which the apostle John saw in his vision, " a sea of glass like unto crystal." So massive is it that, when it begins to stir, it tosses about great ships like playthings, and sweeps cities and forests like snow-flakes to destruction before it.