Journal of the Franklin InstituteVols. 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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Page 15
B ferrule for connecting to the main pipe , as at A , and to the service supply pipe , as at B. It consists of a tube of cast iron , or other material , having flanches at each end , one to attach to the main supply pipe , the other to ...
B ferrule for connecting to the main pipe , as at A , and to the service supply pipe , as at B. It consists of a tube of cast iron , or other material , having flanches at each end , one to attach to the main supply pipe , the other to ...
Page 18
“ We also claim the method herein described of finishing the surface of dry clay bricks in moulds , by first shaving off the surplus material , and then smoothing the shaved sur . face by rubbing it under heavy pressure while confined ...
“ We also claim the method herein described of finishing the surface of dry clay bricks in moulds , by first shaving off the surplus material , and then smoothing the shaved sur . face by rubbing it under heavy pressure while confined ...
Page 23
Having fully described my improvement in the foregoing drawings and spea cification , what I claim is , Ist , Ironing the two surfaces of the combined material , atter it has been sized and doubled , by giving the iron rollers a reverse ...
Having fully described my improvement in the foregoing drawings and spea cification , what I claim is , Ist , Ironing the two surfaces of the combined material , atter it has been sized and doubled , by giving the iron rollers a reverse ...
Page 30
2d , The bands of india rubber , or any sufficiently elastic material , passing round , or partiy round , the mould cylinders , for the purpose of expelling the pills from the recesses after the moulds are open , substantially as herein ...
2d , The bands of india rubber , or any sufficiently elastic material , passing round , or partiy round , the mould cylinders , for the purpose of expelling the pills from the recesses after the moulds are open , substantially as herein ...
Page 66
In the early part of last year , ( March 2 , 1851 , ) a specimen of a material for dyeing silk of a fine clear yellow color , without the aid of a a a mordant , was put into my hands for. * From the London Chemical Gazette , July 15th ...
In the early part of last year , ( March 2 , 1851 , ) a specimen of a material for dyeing silk of a fine clear yellow color , without the aid of a a a mordant , was put into my hands for. * From the London Chemical Gazette , July 15th ...
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