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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Results 1-5 of 100
Page 1
... material used for grading is of a superior quality . At a few points , however , it is rather too fine , but may hereafter be coated over with a coarser material at a moderate expense if deemed advisable , ( and I think it will be ...
... material used for grading is of a superior quality . At a few points , however , it is rather too fine , but may hereafter be coated over with a coarser material at a moderate expense if deemed advisable , ( and I think it will be ...
Page 13
... 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 effectually than in the known pro- cesses . " 99 Claim ...
... 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 effectually than in the known pro- cesses . " 99 Claim ...
Page 15
... material operated on , also the crushers and position of the machine , being made according to the particular purpose for which the machine is intended . " Claim . " What I claim as my improvement is the use of the cylinder , grooved ...
... material operated on , also the crushers and position of the machine , being made according to the particular purpose for which the machine is intended . " Claim . " What I claim as my improvement is the use of the cylinder , grooved ...
Page 16
... 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 ground or frosted glass , at the same time preventing objects ...
... 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 ground or frosted glass , at the same time preventing objects ...
Page 21
... material whatever in bas - relievo , or by copies to be taken , by painting , drawing , sketching , etching , engraving on wood or metal , or by any material spread upon it , or by the electrotype , Talbotype , or Daguerreotype process ...
... material whatever in bas - relievo , or by copies to be taken , by painting , drawing , sketching , etching , engraving on wood or metal , or by any material spread upon it , or by the electrotype , Talbotype , or Daguerreotype process ...
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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