Balances involving the use of a pivoted beam, i.e. beam balances with associated counterweight or set of counterweights wherein the counterweights are slideable along the beam, e.g. steelyards
Balances involving the use of a pivoted beam, i.e. beam balances with associated counterweight or set of counterweights wherein the counterweights are slideable along the beam, e.g. steelyards