Archimedes Pump - Arukimesu Pump

...This process was repeated and the mine gradually expanded downward, but as the distance from the mountainside to the ore deposit increased, it became difficult to dig drainage tunnels, and by the end of the Edo period the mine was apparently in a state of considerable exhaustion. Around this time, attempts were made to develop a pump called the Archimedes pump, which pumps water by turning a spiral screw inside an inclined wooden tube. When modern Western technology was introduced to the Besshi Copper Mine, the mine quickly made an effort to modernize, using rock drills and explosives to excavate tunnels from the foot of the mountain, and it once again became prosperous. ...

*Some of the terminology that refers to the "Archimedes pump" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…このようなことが繰り返されて鉱山はしだいに下部へ展開していったが，やがて山腹から鉱床までの距離が長くなるにつれて排水坑道を掘り進むことが困難になり，江戸末期にはずいぶんと疲弊していたらしい。このころに，木製の傾斜した筒の中のらせん状のスクリューを回して水をくみ上げるアルキメデスポンプと呼ばれるポンプが試みられもした。別子銅山は，西洋の近代技術が入ってくると，いちはやく近代化に努め，削岩機や爆薬を使用して山麓から坑道を開削し，再び活況を呈するに至った。…

※「アルキメデスポンプ」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