HEALDS

is the harne for guiding the warp threads in a loom; that is, for lifting a certain number of them alternately to open the shed, and afford pa age to the decu ating weft threads of the shuttle. See Weaving . HEARTH; ( Foyer , Fr.; Heerde , Germ.) is the flat or hollow space in a smelting furnace upon which the ore and fluxes are subjected to the influence of flame. See Copper , Iron , Metallurgy , .