Mog6k
to clear the gravel of clay, and then to classify it and
make it ready for the finer work of the sorter. As
the gravel pours out of the machines it is taken away
in trays and flung in a heap upon a table. 1 he sorter
then, with a sweep of his arm, spreads out the dark
LEFT TO THEMSELVES
red mass in a thin layer. With his iron blade he
separates this layer still further, and rapidly picks out
the little pink stones, the palpable rubies, which lie
gleaming in the mass. With another swift movement,
he sends thesurviving gravel flying into a truck by
his side. When this is full it is taken away and its
contents are subjected to a slower and more patient
8 11
