Answer: steelyards

AnswerCrossword Clue
STEELYARDSScales with off-center fulcrums
STEELYARDSBalances.
STEELYARDSScales.
STEELYARDSOld Pittsburgh work areas
steelyardsAn apparatus for weighing that has a short arm taking the item to be weighed and a long graduated arm along which a weight is moved until it balances
steelyardsSTEELYARD, a weighing-machine consisting of a lever with a short arm for the thing weighed and a long graduated arm on which a single weight moves