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 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 19
My invention further consists in a method of working the trap - boards , which is at once simple and certain , and which is carried into effect by cheap and durable mechanism . ” Claim , - " Having thus described my improved loom for ...
My invention further consists in a method of working the trap - boards , which is at once simple and certain , and which is carried into effect by cheap and durable mechanism . ” Claim , - " Having thus described my improved loom for ...
Page 20
The nature of my invention consists in a new and useful manner or method of delineating upon common unprepared glass , or other transparent medium , with the aid of a simple and cheap instrument , consisting of a compound or composition ...
The nature of my invention consists in a new and useful manner or method of delineating upon common unprepared glass , or other transparent medium , with the aid of a simple and cheap instrument , consisting of a compound or composition ...
Page 31
“ 3d , The method of operating the jaws and holding them closed with the requisite force to hold the blank firmly between them , without end strain upon the mandrel , by means of toggle or knuckle end joint levers , which are thrown ...
“ 3d , The method of operating the jaws and holding them closed with the requisite force to hold the blank firmly between them , without end strain upon the mandrel , by means of toggle or knuckle end joint levers , which are thrown ...
Page 68
By treating sulphur and benzine in this manner , the author obtained octahedral crystals of sulphur of much larger size than by any other method.- Comptes Rendus , xxxiv . p . 578 . Analysis of a new Alloy for the Plates for Calico ...
By treating sulphur and benzine in this manner , the author obtained octahedral crystals of sulphur of much larger size than by any other method.- Comptes Rendus , xxxiv . p . 578 . Analysis of a new Alloy for the Plates for Calico ...
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