Fifty-one definitions

Fifty-one per cent.

The whole work in fifty-one volumes was published at Madrid (1747-1886).

From a collection of the best experiments by previous workers he selected eighty-two (fifty-one on the velocity of water in conduit pipes, and thirty-one on its velocity in open canals); and, discussing these on physical and mechanical principles, he succeeded in drawing up general formulae, which afforded a simple expression for the velocity of running water.

34-869), consists of fifty-one chapters, but is imperfect.

(1802/1803) furnishes a list of fifty-one of these periodicals.