Scale - Scale

Japanese: はかり(秤) - はかり

A general term for devices that measure the weight or mass of objects. They are broadly divided into balance scales, beam scales, and platform scales that use a lever to compare and measure the weight of a standard object (weight) and its mass, and spring scales that use elasticity to measure weight. There are also special scales that use changes in electrical resistance or optical display methods, floating scales and gas balances that use buoyancy to measure the density of a fluid, and torsion balances that measure forces other than weight. It is not clear when scales were first used, but a balance pole estimated to be from around 5000 BC has been excavated in Egypt, and they have been a symbol of "judgment" and "justice" since ancient times, which shows how old their origins are. In Japan, there are articles in the Shinsen Shojiroku and the Matsuzo Ryakuki that state that the system of scales was established around the time of Emperor Jomei. Moving forward in time, during the Edo period, scales were established in Kyoto and Edo and were given the exclusive right to manufacture, sell, and repair scales.
→ Related items Fishing scales (scales)

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

物体の重さまたは質量を測る装置の総称。てこを利用し標準物体（分銅）の重さと釣り合わせ質量を比較測定するてんびん（天秤）・さおばかり（竿秤）・台ばかり等と，弾性を利用し重さを測るばね秤に大別される。電気抵抗の変化や光学的表示法を利用する特殊なはかりや，浮力を利用し流体の密度を測る浮秤・ガスてんびん，重さ以外の力を測るトーションバランス等もある。　はかりがいつごろから使われたのかははっきりしていないが，エジプトでは前5000年ごろと推定されるてんびんざおが発掘されているし，また古代から〈裁き〉と〈正義〉の象徴とされていたことからも，その起源の古さがわかる。日本では《新撰姓氏録》《抹桑略記》に，舒明(じょめい)天皇のころはかりの制が定められたとの記事もみえる。時代は下るが江戸時代には京都と江戸に秤座が置かれ，はかりの製作・販売・修補の独占権が与えられていた。
→関連項目つりばかり（秤）

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