Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 742
rying on the gold-seeking operations vary accordingto the nature of the deposit which is worked and the resources of the miner.The simplest, which was that most practised in the early days of the gold-fields, consists in throwing into a tub several shovelsful of the surface soil,and in pouring in… … Fig. 331.—^^ Cradle for Gold-washing. rude process, is practised by aid of the cradle, Fig. 331, which is merely thetrunk of a tree, hollowed out, and provided with transverse partitions andribs. The auriferous earth is thrown into the upper compartment, whichis then filled with water. The cradle…
Inventions
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