Journal of the Franklin Institute of the State of Pennsylvania for the Promotion of the Mechanic Arts: Devoted to Mechanical and Physical Science, Civil Engineering, the Arts and Manufactures, and the Recording of American and Other Patent InventionsFranklin Institute, 1840 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] |
From inside the book
Results 1-5 of 82
Page 43
... screws , or the teeth of wheels , & c . , and are furnish- ed with all the materials for the purpose , the machine becoming their own property . In these work - shops , also , the models for the cabinet of the school are made . This is ...
... screws , or the teeth of wheels , & c . , and are furnish- ed with all the materials for the purpose , the machine becoming their own property . In these work - shops , also , the models for the cabinet of the school are made . This is ...
Page 51
... screws , the carriage which holds the stepping of the lower pole of the spindle . Secondly , the employment of a metal bush containing packing through which the spindle is permitted to revolve , which packing may be tightened or ...
... screws , the carriage which holds the stepping of the lower pole of the spindle . Secondly , the employment of a metal bush containing packing through which the spindle is permitted to revolve , which packing may be tightened or ...
Page 53
... screw stoppers , either with or without valves , for the purpose , and in the manner made known . I claim , likewise , the open- ings in the bottom of the boat , in combination with sliding valves or shut- ters , and a rod , or handle ...
... screw stoppers , either with or without valves , for the purpose , and in the manner made known . I claim , likewise , the open- ings in the bottom of the boat , in combination with sliding valves or shut- ters , and a rod , or handle ...
Page 64
... screw press , and a complete mould of both sides is thus formed in the lead , show- ing the most delicate lines perfect ( in reverse ) . Twenty , or even a hun- dred of these , may be so formed on a sheet of lead , and the copper ...
... screw press , and a complete mould of both sides is thus formed in the lead , show- ing the most delicate lines perfect ( in reverse ) . Twenty , or even a hun- dred of these , may be so formed on a sheet of lead , and the copper ...
Page 71
... screw pins , which occasion the wood in immediate contact with them to decay , while the parts not pierced with iron are perfectly sound . This method was adopted in some gates on the Herefordshire and Gloucestershire canal , and after ...
... screw pins , which occasion the wood in immediate contact with them to decay , while the parts not pierced with iron are perfectly sound . This method was adopted in some gates on the Herefordshire and Gloucestershire canal , and after ...
Other editions - View all
Common terms and phrases
ammonia amount apparatus applied arrangement atmosphere average bars bitumen boiler canal carbonic acid carriage cast iron cent Certificate of Honourable claim Clear-do Cloudy-do coal colour combination Committee consists construction containing copper cost cylinder deposited described Dew point diameter distance dollars effect employed equal exhibited experiments Fahrenheit feet Franklin Institute friction frustrum furnace glass heat Honourable Mention improvement inches inclined plane increase invention labour length lever lime liquid locomotive machine magnesia manner manufacture matter means metal miles mode motion nitric acid obtained operation oxide Papin passing patent Philadelphia piece pipe piston placed plate portion pressure produced puddling furnace purpose quantity railroads rails railway resistance revolving road rollers screw shaft side silver solution specimens steam engine stone stroke engine sulphate sulphuric sulphuric acid surface temperature tion tube valve vessel wages weight wheels white lead whole zinc
Popular passages
Page 115 - Be it known that I, John Fitch, of Philadelphia, in the county of Philadelphia, the State of Pennsylvania, have invented a new and improved mode of preventing steam-boilers from bursting, and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon.
Page 287 - General, who is a member of the Cabinet of the President of the United States: but, like the other cabinet officers, receives only the moderate salary of 6000 dollars.
Page 98 - 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 25 - Whenever, through inadvertence, accident, or mistake. and without any fraudulent or deceptive intention, a patentee has claimed more than that of which he was the original or first inventor or discoverer...
Page 18 - 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 83 - A description and draught of a new-invented machine for carrying vessels or ships out of or into any harbour, port, or river, against wind or tide, or in a calm.
Page 305 - Now know ye, that in compliance with the said proviso, I, the said William Graham, do hereby declare the nature of the said invention, and the manner in which the same is to be performed...
Page 11 - I have taken a piece of a whole cannon, whereof the end was burst, and filled it three quarters full of water, stopping and screwing up the broken end, as also the touchhole, and making a constant fire under it ; within twenty-four hours it burst, and made a great crack...
Page 25 - Office; and it shall thereafter be considered as part of the original specification to the extent of the interest possessed by the claimant and by those claiming under him after the record thereof.
Page 25 - The specifications and claim in every such case shall be subject to revision and restriction in the same manner as original applications are.