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] |
From inside the book
Results 1-5 of 100
Page 13
... nature of my invention consists in providing a new material as a drying substance to be mixed with linseed or other oils , to be used in zinc and other paints , in order that the oil so prepared will cause the paints to dry more ...
... nature of my invention consists in providing a new material as a drying substance to be mixed with linseed or other oils , to be used in zinc and other paints , in order that the oil so prepared will cause the paints to dry more ...
Page 14
... nature of my improvements , which are applicable to a machine in which two threads are used , viz : one passed through the cloth by a needle leaving a loop through which another thread is passed by a shuttle , consists , firstly , in an ...
... nature of my improvements , which are applicable to a machine in which two threads are used , viz : one passed through the cloth by a needle leaving a loop through which another thread is passed by a shuttle , consists , firstly , in an ...
Page 16
... nature of my invention consists in placing a semi - transparent material or sub- stance , for example , ground or frosted glass , in front or behind the said transparent pic- ture , the effect of which is to concentrate the light in the ...
... nature of my invention consists in placing a semi - transparent material or sub- stance , for example , ground or frosted glass , in front or behind the said transparent pic- ture , the effect of which is to concentrate the light in the ...
Page 24
... nature of my invention consists in constructing the tongue or point of the buckle to act and work as a slide in the inside of the buckle frame , instead of a hinge or roller , as in the ordinary buckle , so that upon drawing out the ...
... nature of my invention consists in constructing the tongue or point of the buckle to act and work as a slide in the inside of the buckle frame , instead of a hinge or roller , as in the ordinary buckle , so that upon drawing out the ...
Page 26
... nature of our improvement consists in making the drill tube of a peculiar form , adapting the front for the reception of adjusting and changeable points ; having the heel open to prevent clogging , and for other purposes ; making the ...
... nature of our improvement consists in making the drill tube of a peculiar form , adapting the front for the reception of adjusting and changeable points ; having the heel open to prevent clogging , and for other purposes ; making the ...
Other editions - View all
Common terms and phrases
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