| Weighing scales were invented during the historical | | | | numerous modifications and improvements, he |
| times. It is believed that the first weighing balance was | | | | patented his spring balance in 1838. |
| used in the Mesopotamia Civilization in 4000 BC A | | | | After that, the new generation of the spring scales |
| weighing scale was the very basic need of any barter | | | | came into picture. It was known as strain balances, |
| system in recent times. Few simple techniques | | | | which consisted of a strain gauge and measured the |
| evolved as units of measurement became popular. A | | | | electrical resistance caused by the object to be |
| weighing scale served the basic function of compare | | | | weighed. These spring balances were far better than |
| the masses of two objects or two different goods | | | | their predecessors were and they had more accuracy |
| during the old ages. The first weighing scale was | | | | and less scope of error. In 1897, first indicating scale of |
| made of wood and it was actually a weighing balance. | | | | the history was built. |
| It consisted of two wooden containers to keep the | | | | The indicating scales appeared in 1940 and since then, |
| goods in them and both these containers were | | | | the electronically designed weighing balances are ruling |
| connected to each other through a wire or iron rod. | | | | the market. Be it on the industrial scale or the domestic |
| Now the goods were put in the containers and the | | | | level, electronic scales have grabbed the market from |
| balanced weight was achieved when both the | | | | tip to toe. The most interesting thing of the history of |
| containers rested at the same level. | | | | the weighing balances is that we still have to weigh the |
| With the beginning of the trade era, need of an | | | | mass against a standard and there is no fixed rule to |
| accurate weighing balance became very vital. The | | | | set the weight of that 'standard object'. Assumptions |
| first- ever weighing balance of the modern times was | | | | govern the weighing balances and accuracy is just a |
| built and designed by the great artist Leonardo Da | | | | belief. However, modern electronic weighing balances |
| Vinci in the late 15th century. People started making | | | | are capable of confirming this belief to a great extent, |
| certain innovations and in 1770, Richard Salter, a British | | | | as they have very less scope of error and can give |
| citizen designed his first spring balance to measure | | | | precise results up to five decimal places. |
| small and medium objects. 68 years later, after | | | | |