The Franklin Journal, and American Mechanics' Magazine1848 |
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Seite 22
... quantity of fuel saved depends upon the just application of the expansive principle ; the usual practice is for the pressure in the boiler to be constant , and the amount of expansion varied by expan- sive gear , according to the ...
... quantity of fuel saved depends upon the just application of the expansive principle ; the usual practice is for the pressure in the boiler to be constant , and the amount of expansion varied by expan- sive gear , according to the ...
Seite 57
... quantity of wool , which was closely pressed and confined around the metallic casing by means of a thread of the same material : this showed a cooling intermediate between the two former indications . He next enveloped a fifth ...
... quantity of wool , which was closely pressed and confined around the metallic casing by means of a thread of the same material : this showed a cooling intermediate between the two former indications . He next enveloped a fifth ...
Seite 62
... quantity of highly - heated anthracite coal comes from the furnace in lumps , in that process commonly termed by the work- men " throwing off ; " and the patentee either introduces these lumps in a heated state into the refinery furnace ...
... quantity of highly - heated anthracite coal comes from the furnace in lumps , in that process commonly termed by the work- men " throwing off ; " and the patentee either introduces these lumps in a heated state into the refinery furnace ...
Seite 63
... quantity of air and steam , or water , is by this means transformed into nitric acid : this acid may be again used in the manufacture of chlorine , and again recovered , and so on . Sometimes , in place of treating the nitrous sulphuric ...
... quantity of air and steam , or water , is by this means transformed into nitric acid : this acid may be again used in the manufacture of chlorine , and again recovered , and so on . Sometimes , in place of treating the nitrous sulphuric ...
Seite 67
... quantity of iron ore was now exported from this country , which ore was very homogeneous in its metallic character , and might be determined by the ascertained specific gravity of any sample . It was very desirable to have a ready way ...
... quantity of iron ore was now exported from this country , which ore was very homogeneous in its metallic character , and might be determined by the ascertained specific gravity of any sample . It was very desirable to have a ready way ...
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acid acrolein action apparatus applied arranged atmospheric attached boiler braces bridge carriage cast iron chamber claim Claim."What coal combination connected connexion constructed copper cutters cylinder deposited desire to secure diameter dilatation discharge draw rollers effect elastic force engine experiments feet flue frame FRANKLIN INSTITUTE frustrum furnace glass gutta percha heat Improvement inches invention consists length letters patent lever lode machine magnet manner described manufacture means ment mercury metal method miles mode motion operation oven oxide pass patentee says Pennsylvania Philadelphia piece piezometer pipe piston placed plate Premium present pressure produced pump purpose quantity railroad railway road rollers salt screw secure by letters shaft side sliding spring steam stove substance substantially as described sulphuric sulphuric acid surface temperature thermometer tion tube U. S. Patent Office upper valve vapor vertical vessel weight wheel whole wire York