es filled with air. The falling mercury, . COIIBINfiD HOOK AND BUCKLE. instead of carrying air in its descent, forces water under a wneel on a shaft mounted so as to have a movement the surface. Mercury is thirteen times as heavy as The wire ofrwhidli the main portion of the buckle is in the… … the points of the screws, A C, the conducting liquid application to harness and saddles, and for the tem- MEBCUBY FOAM. contained in the non-conducting vessel, G. It is evi- porary re_pairing of straps and various kinds of rigging. Further particulars can be obtained by addressing dent that the…
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