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] |
From inside the book
Արդյունքներ 100–ի 1-ից 5-ը:
Էջ 30
... placed upon the rails , as described , for the purpose of enabling the knife to be carried forwards under the block during the forward movement of the said driver , and then be elevated to the proper height to split off a shingle during ...
... placed upon the rails , as described , for the purpose of enabling the knife to be carried forwards under the block during the forward movement of the said driver , and then be elevated to the proper height to split off a shingle during ...
Էջ 47
... placed them on supports , distant 4 feet 6 inches from each other , and applied on the 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 ...
... placed them on supports , distant 4 feet 6 inches from each other , and applied on the 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 ...
Էջ 64
... placed in the camera , where at the same time the vapor of some quicksilver in an iron cup in the bottom of the camera acts upon the iodide of sulphur with which it is coated , and it receives the photographic image within a min- ute ...
... placed in the camera , where at the same time the vapor of some quicksilver in an iron cup in the bottom of the camera acts upon the iodide of sulphur with which it is coated , and it receives the photographic image within a min- ute ...
Էջ 90
... placed in the fire box . By passing through these last mentioned tubes , which will be highly heated , the atmospheric air will become also heated , and when mixed with the com- bustible gases within the fire box will cause a much more ...
... placed in the fire box . By passing through these last mentioned tubes , which will be highly heated , the atmospheric air will become also heated , and when mixed with the com- bustible gases within the fire box will cause a much more ...
Էջ 104
... placed upon a suitable roller , and the roller placed within a proper frame , and attaching to the front part of the frame pins , which will be hereafter described - the pins being for the purpose of bringing the stalks within the range ...
... placed upon a suitable roller , and the roller placed within a proper frame , and attaching to the front part of the frame pins , which will be hereafter described - the pins being for the purpose of bringing the stalks within the range ...
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Common terms and phrases
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