Journal of the Franklin InstituteFranklin Institute, 1849 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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1.–5. rezultāts no 100.
2. lappuse
... amount of deflection produced at centre of arch . O inch . 0 11 6 66 1711 66 2051 240 2 1 / 23 66 31 % 31/1 66 The proof weight was fixed at 240 tons , as being double the greatest load which the bridge can , by any possibility , be ...
... amount of deflection produced at centre of arch . O inch . 0 11 6 66 1711 66 2051 240 2 1 / 23 66 31 % 31/1 66 The proof weight was fixed at 240 tons , as being double the greatest load which the bridge can , by any possibility , be ...
5. lappuse
... amount embraces the expense of maintaining no less than 213 miles of siding and depôt tracks . The above aggregate of $ 167,365-05 agrees with the statement of the Treasurer ; but there must be deducted the sum of $ 3,066.38 for ...
... amount embraces the expense of maintaining no less than 213 miles of siding and depôt tracks . The above aggregate of $ 167,365-05 agrees with the statement of the Treasurer ; but there must be deducted the sum of $ 3,066.38 for ...
10. lappuse
... amounts make an aggregate of $ 59,144-13 . The actual current outlay during the year , in maintaining the engines , is the first of the above amounts only . It is less than the corresponding amount for the previous year , by $ 13,118-47 ...
... amounts make an aggregate of $ 59,144-13 . The actual current outlay during the year , in maintaining the engines , is the first of the above amounts only . It is less than the corresponding amount for the previous year , by $ 13,118-47 ...
13. lappuse
... amount of $ 258,385.19 151,143.31 215,614.34 20,626.35 $ 645,769-19 The total expenses charged in the treasurer's accounts are $ 662,106-50 ; - more than the amount just stated by $ 16,337-31 , which is due to materials VOL . XVII ...
... amount of $ 258,385.19 151,143.31 215,614.34 20,626.35 $ 645,769-19 The total expenses charged in the treasurer's accounts are $ 662,106-50 ; - more than the amount just stated by $ 16,337-31 , which is due to materials VOL . XVII ...
14. lappuse
... amount of coal brought to Baltimore this year , has been 66,289 tons , being 16,030 tons , or 32 per cent . , more than the last . The means of transportation were adequate to a larger trade in 14 Civil Engineering .
... amount of coal brought to Baltimore this year , has been 66,289 tons , being 16,030 tons , or 32 per cent . , more than the last . The means of transportation were adequate to a larger trade in 14 Civil Engineering .
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anthracite anthracite coal apparatus application attached beam boiler bolt carbonic acid carriage cast iron catoptric cent centre chamber charcoal claim the combination coal combustion connected connexion constructed copper curved cutter cylinder deflexion described desire to secure diameter effect elastic electricity engine experiments feet fire flues frame Franklin Institute fuel furnace gases girder gutta percha heat horizontal hydrogen improvement consists inches invention consists lamp letters patent lever light machine machinery magnetic manner set manufacture March 27 Massachusetts means metal miles mode motion Ohio operation oven oxide passing patentee says Pennsylvania pipe placed plate present pressure produced propeller purpose set quantity rail Railroad railway reflectors revolving road rollers screw secure by letters shaft side sliding spring steam stove substantially as set surface temperature tion tons tube U. S. Patent Office upper valve vertical vessel weight wheel whole wire York
Populāri fragmenti
478. lappuse - What we claim as our invention, and desire to secure...
215. lappuse - Having thus described the nature of my invention, and the manner in which the same is to be performed, I would have it understood that I do not confine myself to the...
166. lappuse - 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.
209. lappuse - 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.
194. lappuse - 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.
336. lappuse - Schools, in which the Definitions and Rules of Geometry are familiarly explained ; the Practical Problems are arranged, from the most simple to the more complex, and in their description technicalities are avoided as much as possible.
59. lappuse - That whenever an application shall be made for a patent which, in the opinion of the Commissioner, would interfere with any other patent for which an application may be pending, or with any unexpired patent which shall have been granted, it shall be the duty of the Commissioner to give notice thereof to such applicants, or patentees, as the case may be; and if either shall be dissatisfied with the decision of the Commissioner on the question of priority of right or invention...
121. lappuse - ... 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...
382. lappuse - 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...
59. lappuse - And it shall be the duty of said chief justice, on petition, to hear and determine all such appeals, and to revise such decisions in a summary way, on the evidence produced before the Commissioner, at such early and convenient time as he may appoint, first notifying the Commissioner of the time and place of hearing, whose duty it shall be to give notice thereof to all parties who appear to be interested therein, in such manner as said judge shall prescribe. The Commissioner shall also lay before...