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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Results 1-5 of 100
Page 1
... amount to 1 lb. per inch . The 3d and 5th notches are employed only at speeds much above 17 miles per hour , and the loss by them is of no practical moment . Upon the whole , it follows that the possible loss by the early exhaust ...
... amount to 1 lb. per inch . The 3d and 5th notches are employed only at speeds much above 17 miles per hour , and the loss by them is of no practical moment . Upon the whole , it follows that the possible loss by the early exhaust ...
Page 2
... amounts exactly to a mean loss upon the whole stroke of one pound per square inch , by wire - drawing , under high expansion . For the 1st and 3d notches , the amount of loss by wire - drawing must obviously be still less ; and , in ...
... amounts exactly to a mean loss upon the whole stroke of one pound per square inch , by wire - drawing , under high expansion . For the 1st and 3d notches , the amount of loss by wire - drawing must obviously be still less ; and , in ...
Page 4
... amount of this is very various , and it depends also on circumstances for which the Jink - motion is not responsible ; such as a deficiency of inside lead ( which is regulated by the lap ) , small ports , a small blast - orifice , and ...
... amount of this is very various , and it depends also on circumstances for which the Jink - motion is not responsible ; such as a deficiency of inside lead ( which is regulated by the lap ) , small ports , a small blast - orifice , and ...
Page 10
... amount- ing to 55 to 60 miles an hour , the loss by imperfect exhaust causes a large increase of consumption per horse power per hour , of from 33 to 12 per cent . , according to the amount of admission . With steam ports of about 14th ...
... amount- ing to 55 to 60 miles an hour , the loss by imperfect exhaust causes a large increase of consumption per horse power per hour , of from 33 to 12 per cent . , according to the amount of admission . With steam ports of about 14th ...
Page 57
... amount to £ 10 10s . As the validity of the patent will princi- pally depend upon this provisional specification , it will be necessary to frame it with the greatest care and consideration . Instead of the proceeding last described ...
... amount to £ 10 10s . As the validity of the patent will princi- pally depend upon this provisional specification , it will be necessary to frame it with the greatest care and consideration . Instead of the proceeding last described ...
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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