history of mining, miner using safety lamp while digging for coal, vintage illustration, 1850s 19th century - 礦燈 幅插畫檔、美工圖案、卡通及圖標礦工
victorian safety lamps, laboratories lamp with waffle material flame, 1890s, 19th century - 礦燈 幅插畫檔、美工圖案、卡通及圖標
history of mining, safety lamp for use in a coal mine, vintage illustration, 1850s 19th century - 礦燈 幅插畫檔、美工圖案、卡通及圖標礦工, 19世紀風格
a pirquinero is a miner that carries out the mineral extraction tasks in an artisanal way and generally independently. there are pirquineros of the gold,copper ,coal - 礦燈 幅插畫檔、美工圖案、卡通及圖標煤礦工人
