t is often impossible to use the draw-knife with et 0 WRENCH. ing box of cup-shape is employed, and extending ver- its handles projecting at right angles to the blade, be- A recent invention provides a peculiar form of wrench tically from the top of this box is a strip of celluloid cause of their… … WRENCH FOR USE WITH HAND-BRACE. penter’s hand brace. The novel tool may be employed to engage with angular nuts or bolt heads for insertion GEOGRAPHICAL CLOCK. into wood or other material. Screw bolts that are cut with coarse threads, and known as “‘lag screws,” may be of day are formed in relief,…
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