Journal of the Franklin InstituteFranklin Institute, 1853 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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Page 27
... fire place , and represented the orna- mental design of the whole , I claim as new , and of my production , the said ornamental design , substantially as exhibited . " 12. For a Design for a Parlor Grate ; Joseph Pratt , Assignor to ...
... fire place , and represented the orna- mental design of the whole , I claim as new , and of my production , the said ornamental design , substantially as exhibited . " 12. For a Design for a Parlor Grate ; Joseph Pratt , Assignor to ...
Page 29
... fire chamber , for the purpose of heating air ; nor do I claim the use of deflecting plates , simply as such ; but I do claim the combination of the deflect- ing plates with the system of upright flues directly over the fire chamber ...
... fire chamber , for the purpose of heating air ; nor do I claim the use of deflecting plates , simply as such ; but I do claim the combination of the deflect- ing plates with the system of upright flues directly over the fire chamber ...
Page 33
... fire is applied without the tubes . The boilers are placed in pairs back to back , with one smoke chimney in common ; each pair has its own fire room . The forward and after pair are alike , except in breadth and number of tubes ; each ...
... fire is applied without the tubes . The boilers are placed in pairs back to back , with one smoke chimney in common ; each pair has its own fire room . The forward and after pair are alike , except in breadth and number of tubes ; each ...
Page 82
... fire to keep this air heated . About one bushel of coals in twenty - four hours was consumed in heating the cylinder , and he found at great increase was effected in the duty performed by the engine , with the same consumption of fuel ...
... fire to keep this air heated . About one bushel of coals in twenty - four hours was consumed in heating the cylinder , and he found at great increase was effected in the duty performed by the engine , with the same consumption of fuel ...
Page 86
... fire box is carried forward from the fire - place some distance into the interior of the boiler , to which it conforms in shape , and is surrounded with a water space , as shown in figure 3 , sheet No. 1. The open space in the fire box ...
... fire box is carried forward from the fire - place some distance into the interior of the boiler , to which it conforms in shape , and is surrounded with a water space , as shown in figure 3 , sheet No. 1. The open space in the fire box ...
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acid alumina apparatus applied arrangement Assignor axle beam blast boiler carbon carbonic acid cast iron cause cent centre centum chamber claim coal colors combination condensation connexion construction cutter cylinder diameter effect engine equivalent evaporated experiments feet fire box flues frame Franklin Institute furnace fusel oil gases heating surface hour hydrochloric acid Improvement increase india rubber indicator diagrams invention consists Journal length letters patent lever locomotive machine machinery magnesia manner manufacture Mean effective pressure means mechanical metal miles minute mode motion mould nitric acid obtained operation oxide pass patent Pennsylvania Philadelphia pipe piston pitch placed plate portion pounds present pressure produced proportion purpose quantity railway rollers screw shaft side silica slide speed spring square inch steam Stove stroke substantially as described temperature tion train tubes valve vertical vessel weight wheel wrought iron York