gold cradle rocker box « BINQ Mining
Jun 27, 2013· Gold washing cradle used in the Ophir goldfields, 1851. H8859 Gold washing cradle, wood / iron, designed by William Tom Jr and Edward Hargraves, made by … and was based on similar cradles (also called rockers) used to wash for gold in California. The cradle was a box with two metal sieves. »More detailed