rder of There are processes now secretly employed for the pur- fection” has not yet been written upon any of the works things, to become the cleanest-swept in the world. If all pose of purifying oil, but they benefit the public compar- of man. One step in this long series of improvements the… … Captain Franklin, of the above corps, has been assigned RIVETING-MACHINE. SPARROW’S STEAM to the charge of those works. He has recently served as Secretary of the Light-house Board, and is considered an It is a machine for riveting bolts, and for punching and ]done. A process used secretly does not…
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