IN ANCIENT times, objects were often weighed on a beam scale It usually consisted of a horizontal beam, or bar, that pivoted on a peg at its center
आजच्याप्रमाणेच पुरातन काळीदेखील, वस्तूंचे मोजमाप करण्यासाठी सहसा तराजू वापरला जात असे.