One end of a flat bar, having metal ring and the collar. Each collar is provided with an its surfaces serrated so as to prevent it from slipping on the annular groove in its end edge, into which a metal ring is inserted on which a packing ring of rubber or leather is placed. The object of using the… … DEFPEN'S NEW BECLINING CHAIB. WEILS' IMPEOVED HOSE COUPLING. ^ I « > ^- steam I^aunclies for the Arctic Regions. bars, is placed under the lower cross bar of the back and The two launches for the Greely expedition are whale boat ■without these rings this would not easily occur. To pre- over a front…
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