spring balance
spring scale

Therefore the scale markings on the spring balance are equally spaced.

Use a spring balance to note the buoyancy effect on the metal as you suspend it in the water.

Above this, he attached a weight to a spring balance which had a dial to indicate the force of gravity.

Along with a spring balance you also need a weighing sling.

The earliest types employed a simple spring balance attached to a pivoted bar.

He put a spring balance on the brake drum behind the engine.

For large heavy windows, special spring balances are made for the channels.

A friction band is wrapped around half the drum's circumference and each end attached to a separate spring balance.

A substantial pre-load is then applied to the ends of the band, so that each spring balance has an initial and identical reading.

Hang it from a spring balance and read the number in and out of the water.