20 idle) Whims (65 at work, 17 idle) ... 15 180 146* 82 Quartz mining : — 489 Steam engines employed pump- ing, winding, crushing.
AUuvial mining : — Steam engines employed pump- ing, winding, puddling, &c Horse puddling machines (160 at work.  20 idle) Whims (65 at work, 17 idle) ... 15 180 146* 82 Quartz mining : — 489 Steam engines employed pump- ing, winding, crushing.  &c. ... 30