（解説文要約）
坑内に湧き出た水を、手押しのハンドルポンプで汲み上げている様子を描いたものです。
坑内の水を汲み上げなければ、採炭できません。
「汗は豪雨のごとく流れ、重労働で、強力な男も永くは耐えられなかった」と作兵衛翁は記しています。
この他、孟宗竹の節をくりぬいた、フイゴと呼ばれる簡易なポンプもありました。
This drawing depicts two men pumping out water that has welled up in a pit.
Miners cannot dig for coal without the removalof such water.
“The men in charge of pumping worked so hard that they sweat like heavy rain.
It was such hard labor that even the toughest of men could not bear long hours,”describes Sakubei.
As a side note,there were also simple structured pumps called Fuigo,made out of hollowed out bamboo.