DWIN'S PATENT UTBRICATOB. before. By grasping the milled collar, H, the lower CARBONIC ACID. valve may be screwed down upon its seat independent The object of this invention is the admission of oil "I have in this glass-beaker some marble dust. It is of the use of the handle for that purpose. or… … way in the southern hemisphere. Mr. Dove has con- small strong glass tube. You see that it is as pellucid steam engine under steam pressure, in such a manner as water, and more fluid. If the tube should be nected this with that great fact which underlies so that it cannot escape during the…
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