New pump design released...
…by a Grecian named Ctesibius, in about 250 BC. You may be familiar with reciprocating pumps, a form of positive displacement pump. This is a very early one of them. Over two millenniums on the market is a pretty impressive record for any product. If you’ve got any pumps that are that old (or even just a century or two old), we strongly recommend getting them serviced! It may well be that there’s energy efficiencies to be had, either by repairing or replacing them. Give u