（解説文要約）
炭鉱労働者の住居を見回る二人の世話人が描かれています。
明治30年ごろ、時計を持っている者は誰もいません。
早朝3時に汽笛が鳴り響き、入坑を知らせます。
この二人は、寝過ごした者や、さぼっている者はいないかを見回っています。
体調が悪くても、そう簡単には許してもらえません。
In this painting, two people of the regulator and personnel supervisor are patrolling around the residences of pit workers.
No miners had watches or clocks around the end of 1890’s.
Whistle blows at three in the early morning would tell the time to enter the pit to miners.
These two people are patrolling to find miners who are oversleeping or neglecting their duties.
The two of them would not allow miners to take off even if they were ill.