Noun
weighing machine (plural weighing machines)
a mechanical device, often coin-operated, for determining the weight of an object or person
weighing-machine
[Shorter variant:] In the short run, the market is a voting machine but in the long run, it is a weighing machine. Benjamin Graham
In the short-run, the market is a voting machine - reflecting a voter-registration test that requires only money, not intelligence or emotional stability - but in the long- run, the market is a weighing machine. Benjamin Graham