Journal of the Franklin InstituteFranklin Institute, 1848 Vols. 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] |
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Page 40
... apparatus used , as ordinarily constructed , consists of three rollers , the axes of which are in the same vertical plane . The billet is passed through a groove in the lowermost pair , and is re- turned through a groove in the ...
... apparatus used , as ordinarily constructed , consists of three rollers , the axes of which are in the same vertical plane . The billet is passed through a groove in the lowermost pair , and is re- turned through a groove in the ...
Page 56
... apparatus being ex- posed early at night , indicated differences of temperature which after- wards disappeared , insomuch that by daybreak next morning all the thermometers were found at nearly an equal height . The opponents of the ...
... apparatus being ex- posed early at night , indicated differences of temperature which after- wards disappeared , insomuch that by daybreak next morning all the thermometers were found at nearly an equal height . The opponents of the ...
Page 66
... apparatus for easily ascertain- ing the specific gravity of ores , that having reference to their richness . He had since then constructed a little apparatus for weighing quanti- ties . The principle depends upon the weight of water ...
... apparatus for easily ascertain- ing the specific gravity of ores , that having reference to their richness . He had since then constructed a little apparatus for weighing quanti- ties . The principle depends upon the weight of water ...
Page 93
... apparatus called a butterfly , which is acted upon by an arm from the counter faller when the tension of the threads is too great , and thus throws the hand into the teeth of the wheel , that the vibration of the arm shall operate the ...
... apparatus called a butterfly , which is acted upon by an arm from the counter faller when the tension of the threads is too great , and thus throws the hand into the teeth of the wheel , that the vibration of the arm shall operate the ...
Page 94
... apparatus by means of the friction clutch , or any equivalent therefor , substantially as described . " 3d . The backing - off apparatus , consisting of the combination of the top sliding rack , which communicates motion to the spindles ...
... apparatus by means of the friction clutch , or any equivalent therefor , substantially as described . " 3d . The backing - off apparatus , consisting of the combination of the top sliding rack , which communicates motion to the spindles ...
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Common terms and phrases
acid action apparatus applied arranged atmospheric attached boiler braces bridge carriage cast iron chamber claim Claim."What coal combination connected connexion constructed copper cutters cylinder deposited desire to secure diameter dilatation discharge draw rollers effect elastic force engine experiments feet flue frame FRANKLIN INSTITUTE frustrum furnace glass gutta percha heat Improvement inches invention consists length letters patent lever liquid lode machine magnet manner described manufacture means ment mercury metal method miles mode motion operation oven oxide pass patentee says Pennsylvania Philadelphia piece piezometer pipe piston placed plate Premium present pressure produced pump purpose quantity railroad railway road rollers salt screw secure by letters shaft side sliding spring steam stove substance substantially as described sulphuric sulphuric acid surface temperature thermometer tion tube U. S. Patent Office upper valve vapor vertical vessel weight wheel whole wire York
Popular passages
Page 76 - ... shall furnish sufficient accommodations for ihe transportation of all such passengers and property, as shall within a reasonable time previous thereto, offer or be offered for transportation, at the place of starting...
Page 91 - What I claim as my invention, and which I desire to secure by letters patent, is the...
Page 8 - If the directors of any such company shall declare and pay any dividend, when the company is insolvent or any dividend, the payment of which would render it insolvent, they shall be jointly and severally liable for all the debts of the company then existing, and for all that shall be thereafter contracted, so long as they shall respectively continue in office...
Page 75 - ... from the transportation of passengers, property, mails, and express matter, and from other sources; 5. The amount of freight, specifying the quantity in tons; 6. The amount paid for repairs of engines, cars, buildings, and other expenses, in gross, showing the current expenses of running such road; 7. The number and amount of dividends, and when paid; 8.
Page 77 - If any person shall, while in charge of a locomotive engine running upon the railroad of any such corporation, or while acting as the conductor of a car or train of cars on any such railroad, be intoxicated, he shall be deemed guilty of a misdemeanor.
Page 5 - ... endorsed thereon, or annexed thereto, an affidavit made by at least three of the directors named in said articles, that the amount of stock required by this section has been in good faith subscribed, and ten per cent paid in cash thereon as aforesaid, and that it is intended in good faith to construct or to maintain and operate the road...
Page 7 - All the stockholders of every company incorporated under this act, shall be severally, individually liable to the creditors of the company in which they are stockholders, to an amount equal to the amount of stock held by them respectively...
Page 77 - ... corporation, or any engine, machine or structure, or any matter or thing appertaining to the same, shall be stopped, obstructed, impaired, weakened, injured or destroyed, the person or persons so offending shall be guilty of a misdemeanor, and shall forfeit and pay to the said corporation treble the amount of damages sustained by means of such offense.
Page 140 - 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 5 - Each subscriber to such articles of association shall subscribe thereto his name, place of residence, and the number of shares of stock he agrees to take in said company. On compliance with the provisions of the...