DCHP-1 Online
Davis water wheel [perhaps after a Cornish miner named Davis, who worked one of the early claims in the Cariboo goldfield] 
Hist. a large wheel (about 20 feet in diameter) having buckets on the rim and used in placer mining to operate a pump to keep the workings dry.
See also: Cornish pump
- 1960 [Caption] Davis, or Cornish water wheel and flume [used in] hydraulic operations at Morning Star Claim.
- 1960 [Caption] Davis, or Cornish water wheel and flume [used in] hydraulic operations at Morning Star Claim.