ional view, Fig.'2, are pivoted to a com- doors, and set up—an operation requiring but a few se- description of the device appeared, together with an account mon center, B. Between the arms is arranged a U-shaped conds. The wooden frames, 5ifeet high by 4 feet wide, of its successful exhibition off… … acted rod, e. guided in a perforation at the top, and depressed by a button at its upper end; so that, when depressed, the are neatly strung with metallic line, the total length of the square shoulders thus locking the nut. The device was pa - zinc plate is immersed in the solution till it comes in…
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