The chain-pump of China, common in the hands of every farmer, was likewise an instrument of husbandry in Egypt.
We have devised the striking of the topmast, together with the chain-pump.
The chains to which the discs, &c., are attached in the chain-pump.
He also invented a wheel to work the chain-pump, which was much safer and less liable to get out of order than that before in use.
The cylindrical iron which goes through the wheel of the chain-pump, and bears the weight of it.