Roverbal, GP (English) RoverbalGP

Japanese: Roverbal,G.P.(英語表記)RoverbalGP
Roverbal, GP (English) RoverbalGP

... The basis of the scales we use today, other than balances and scales, is the result of modern developments. In the 1700s, a scale with a top plate, which was convenient for weighing bulky objects, was developed using the Roberval mechanism invented by G. Roberbal of France in 1669. In addition, a combination mechanism for weighing heavy objects was invented by J. Wyatt of England, and in 1831 the Fairbanks brothers of the United States invented a platform scale that is the same as the one we use today, dramatically improving the functionality of scales. ...

*Some of the terminology that refers to "Roverbal, GP" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

… てんびんや棒ばかり以外の,今日使用しているはかりの基礎は近世の開発によるものである。1669年にフランスのロベルバルG.P.Roverbalが考案したロバーバル機構をはかりに利用し,かさ物の計量に便利な上ざら式のはかりが1700年代に開発された。また重量物の計量に適するてこの組合せ機構がイギリスのワイアットJ.Wyattにより発明され,1831年にアメリカのフェアバンクスFairbanks兄弟は現在のものと同一の台ばかりを発明し,はかりの機能を飛躍的なものにした。…

※「Roverbal,G.P.」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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