Mechanical Triple Beam Scale

A mechanical triple beam scale is a type of weighing instrument that uses a system of levers and weights to determine the weight of an object. It consists of three beams, each with a movable weight, which can be adjusted to balance the weight of the object being measured.

The first beam is the largest and has a fixed counterweight at one end and a pointer at the other. This beam is used to determine the major weight of the object being weighed.

The second beam is smaller and has a set of weights that can be moved along the beam. This beam is used to make fine adjustments to the weight being measured.

The third beam is the smallest and has a pan for holding the object being weighed. This beam is used to balance the weight of the object being weighed against the weights on the other beams.

To use a mechanical triple beam scale, the object to be weighed is placed on the pan of the third beam. The weights on the second beam are adjusted until the beam is balanced, and then the weights on the first beam are adjusted until the pointer is at zero. The weight of the object is then read from the positions of the weights on the first and second beams.

Triple beam scales are commonly used in educational settings, laboratories, and industries where accurate weight measurements are important. They are relatively inexpensive, easy to use, and do not require electricity, making them a popular choice for many applications.

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