ntion was attracted at Pott’s The plate submitted to the action of the lever that for the point of supply. Finally Prof. Schumacher, Valley by the remarkable rock shown in the accom- earries the counterpoise, D, rests upon the top of of the Smithsonian, discovered it on Santa Catalina panying… … at the head of Cottonwood Cafion, back of Pott’s G, will immediately déscend, and the steain will es- A NEW SAFETY VALVE. Valley, where verde antique crops out in ledges in cape. In like manner, if the lever be fixed, the pres- every direction. On many of these can beseen the sure will cause the…
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