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 32
... centre to centre . The bars run in both direc- tions , and cross at an angle of 45 ° ; at each crossing they are riveted to- gether . ENGINES . Two side lever condensing engines . Diameter of cylinders , Stroke of pistons , Space ...
... centre to centre . The bars run in both direc- tions , and cross at an angle of 45 ° ; at each crossing they are riveted to- gether . ENGINES . Two side lever condensing engines . Diameter of cylinders , Stroke of pistons , Space ...
Page 47
... centre of the bars a gradual pressure , by means of a screw , until the bars broke . The breaking weights were- Unpurified - 487 lbs . Purified - 556 lbs . 456 " 66 525 66 66 487 " 470 " " " 544 66 66 562 66 569 << 544 ( 6 These irons ...
... centre of the bars a gradual pressure , by means of a screw , until the bars broke . The breaking weights were- Unpurified - 487 lbs . Purified - 556 lbs . 456 " 66 525 66 66 487 " 470 " " " 544 66 66 562 66 569 << 544 ( 6 These irons ...
Page 49
... centre of gravity by means of heavy bal- last , as lead , be made to descend proportionally with any addition to the depth of the keel . Again , as the above average depth is requisite for lateral resistance , then the midsip form , and ...
... centre of gravity by means of heavy bal- last , as lead , be made to descend proportionally with any addition to the depth of the keel . Again , as the above average depth is requisite for lateral resistance , then the midsip form , and ...
Page 50
... centre of the triangle KIH , from the perpendicular line E F , is less than R , the centre of the triangle G C K ; therefore the power of buoancy to aid stability is pro- portionally reduced , and which will not be altogether met by the ...
... centre of the triangle KIH , from the perpendicular line E F , is less than R , the centre of the triangle G C K ; therefore the power of buoancy to aid stability is pro- portionally reduced , and which will not be altogether met by the ...
Page 53
... centre of lateral resistance , at the time , moved forward also ; and the estimated proportion equalled one ... centre of length where Nature places her greatest width in birds , and in the sole fish . With the model in Chapter III . one ...
... centre of lateral resistance , at the time , moved forward also ; and the estimated proportion equalled one ... centre of length where Nature places her greatest width in birds , and in the sole fish . With the model in Chapter III . one ...
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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