Journal of the Franklin InstituteFranklin Institute, 1851 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 74.
41. lappuse
... propeller bear to the immersed midship section of the vessel ? At present , scarcely any two propellers are built alike ; constant changes are made without apparently affecting the result . Are they all right , or all wrong ? H. English ...
... propeller bear to the immersed midship section of the vessel ? At present , scarcely any two propellers are built alike ; constant changes are made without apparently affecting the result . Are they all right , or all wrong ? H. English ...
139. lappuse
... Propellers between Philadelphia and Liverpool . During the past month the " City of Glasgow " has made her appear ... propeller , which is 13 feet diameter , making two revolutions to the engines ' one ; " City of Philadelphia , " now ...
... Propellers between Philadelphia and Liverpool . During the past month the " City of Glasgow " has made her appear ... propeller , which is 13 feet diameter , making two revolutions to the engines ' one ; " City of Philadelphia , " now ...
140. lappuse
... propeller shaft , and intended to make 34 revolutions , with 15 lbs . of steam , cutting off at half stroke . Diameter of propeller , 16 feet , with three blades made of iron , and weighs about 20,000 lbs . The fourth ship is to be ...
... propeller shaft , and intended to make 34 revolutions , with 15 lbs . of steam , cutting off at half stroke . Diameter of propeller , 16 feet , with three blades made of iron , and weighs about 20,000 lbs . The fourth ship is to be ...
175. lappuse
... Propeller ; Andrew W. Thompson , Philadelphia , Pennsylvania , January 21 . Claim . " What I claim as my invention , is a propeller , constructed as herein described , in such manner that any one of its blades , in any line drawn either ...
... Propeller ; Andrew W. Thompson , Philadelphia , Pennsylvania , January 21 . Claim . " What I claim as my invention , is a propeller , constructed as herein described , in such manner that any one of its blades , in any line drawn either ...
214. lappuse
... propeller , the action of which was reciprocating , resembling the motion of two oars wholly immersed in the water . The hour having arrived for adjournment , and the business of the eve- ning not being concluded , the meeting adjourned ...
... propeller , the action of which was reciprocating , resembling the motion of two oars wholly immersed in the water . The hour having arrived for adjournment , and the business of the eve- ning not being concluded , the meeting adjourned ...
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action angle apparatus applied arrangement attached axis bituminous blades blast blast furnace boiler carriage cast iron cent centre centrifugal force chord circuit claim therein coal combination condenser connected connexion construction Coulaine cubic curved cutters cylinder deflexion diameter distance effect electric telegraph electricity engine equal experiments feet flues force frame Franklin Institute furnace generatrix gutta percha heat Improvement increased indicator diagrams invention consists Journal length lever machine magnet manner mastic material means metal miles motion operation paddle passing patent pipe piston placed plane plate present pressure produced propeller proportion pump purpose rails railway revolutions per minute roadway rollers screw shaft side slide spring square inch steam steam engine steamers Stoves stroke substantially as described surface tangential angle telegraph temperature thickness tion tons tube valve velocity vertical vessel weight wheel wire wrought iron York