rged portion by hydrofluoric hardening and not the reducing process; but it adequately acid the tear is reduced to a nucleus. If several rather gives the meaning of the word, if this explanation be borne large tears be thus treated, and if the action of the acid be in mind.—Eps.] arrested at… … in intensity. When the tear is thick enough an inert nu- bodies, ‘such as phosphorus, sul- cleus is reached, which breaks under a shock like ordinary phur, certain alloys, etc., experience on being tempered glass. interesting modifications, some of which have been utilized The tear made in the…
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