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Scientific American, Vol. 54, No. 6 (1886) (1886)

leaf 3

An illustration from Scientific American, Vol. 54, No. 6 (1886), 1886, leaf 3
various industries and sources of revenue ceive a hook formed on a downward projection of of Los Angeles, California, which are a perfect suc- a catch lever, on the inner end of which a pan is cess so far as they have been well attended to, is the formed. On the outer end of the lever isa lug, to… … white crystals ready for the mill, where they are VASSEUR’S SPRING TRAP. TREADWELL’S HONEY EXTRACTOR. ground to animpalpable powder, ready for the mar- ket. The crude argols are usually kept for three or hold the jaws open. The animal steps upon the pan, ets may be turned simultaneously either to…

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