spring balance

He said the equipment contained in the boxes were magnifying glasses, spring balance, pendulums, PH indicator and test tubes.

The brake drum of the dynamometer is controlled by using a wire rope- wound around the drum with one end attached to a hanger and dead weights and the other end to a spring balance. The friction between the drum and rope could be altered by changing the net tension (difference between the weight and the spring balance reading), by tightening the spring balance end and by adding more dead weights.

So a lot of the last payments in May or April might have been applied to a student's summer tuition instead of the spring balance.

When the eight-day duration spring balance movement was developed, clocks were updated again and the weights discarded.

It uses a piston valve located in the top of the boiler's steam dome, held down by a lever connected to an adjustable Chatillon spring balance. The spring balance also acts as a boiler pressure gauge, and is calibrated in boiler pressure with a scale of 0 to 240 PSI.

The easiest way to determine the strength of a Tube Magnet, as promoted by Eriez, is to conduct a pull test using a simple spring balance. A 6mm ball bearing is placed on the Tube's surface and the force required to detect this from the magnetic field is recorded as the 'pull test strength'.

Kolbe says that its Sterling double-hung uses a spring balance system, so it is easy to operate.

This was the brainchild of a celebrated local inventor and eccentric William Martin--champion swordsman, denouncer of Isaac Newton and other 'false prophets', and designer of the first spring balance and pneumatic life jacket.

Early unofficial checks suggest the spring balance he used may have been weighing light and if subsequent investigation confirms this he could have made history!