e or.rectangular frame. had accidentally become broken, showed a curious phenom- The pieces composing the frame, having glue put on their enon. On being pressed between the fingers, it became sud- ends, are laid in their relative positions; the lever is slightly denly heated to about 80° Fah., the… … of repair, the cost of a new set of jaws being less than one tion is detected by determining the boiling point. Oil of third that of repairing steel ones. By simply opening the bitter ‘almond boils at 180° C. (356° Fah.,) and nitro-benzol box cover, one or both of the jaws may be removed and…
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