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 131
... centum of the latter . The im- mersed amidship section of the Susquehanna at the above draft is 21 square feet , or 3-4 per centum greater than the Powhatan's . At 19 feet 6 inches draft , the same difference of 21 square feet holds ...
... centum of the latter . The im- mersed amidship section of the Susquehanna at the above draft is 21 square feet , or 3-4 per centum greater than the Powhatan's . At 19 feet 6 inches draft , the same difference of 21 square feet holds ...
Page 133
... centum , whereas it could not have been less than 20 per centum . If the latter slip be taken , the speed of the vessel will be reduced from 9.679 knots to 9.267 knots . The performance of the engines and boilers may be depended on ...
... centum , whereas it could not have been less than 20 per centum . If the latter slip be taken , the speed of the vessel will be reduced from 9.679 knots to 9.267 knots . The performance of the engines and boilers may be depended on ...
Page 134
... centum of the greater , an amount within the limits of errors of observation , enhanced also by the greater rapidity of the combustion in the case giving the lesser result , as with bituminous coal increased rapidity of combustion is ...
... centum of the greater , an amount within the limits of errors of observation , enhanced also by the greater rapidity of the combustion in the case giving the lesser result , as with bituminous coal increased rapidity of combustion is ...
Page 265
... centum in an hour , was determined from the mean of observations every fifteen minutes ; the last was determined by ... centum when steaming against a moderate breeze . In this case , the revolutions being by counter , the error ...
... centum in an hour , was determined from the mean of observations every fifteen minutes ; the last was determined by ... centum when steaming against a moderate breeze . In this case , the revolutions being by counter , the error ...
Page 268
... centum of the total power applied to the paddles , calculated as the squares of the sines of their angles of incidence on the water , Pounds of coal consumed per hour per square foot of grate surface , Pounds of coal consumed per hour ...
... centum of the total power applied to the paddles , calculated as the squares of the sines of their angles of incidence on the water , Pounds of coal consumed per hour per square foot of grate surface , Pounds of coal consumed per hour ...
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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.-"What I 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 glass heating surface hour hydrochloric acid Improvement increase india rubber indicator diagrams invention consists Journal length letters patent lever locomotive machine machinery manner manufacture 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