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班加钻是一种手动砂矿钻机,原名BANKA DRI-LL,是荷兰工程师J.E.AKKERINGA于1858年设计成功的,最初用于印度尼西亚帮加(BANKA)岛的锡矿开采,因而得名. 这种钻机当时在原荷属东印度群岛的冲积与残积锡矿的取样工作中广泛使用,后来世界各地用于一般覆盖
Bangalore is a hand-held sand mining rig, formerly known as BANKA DRI-LL, which was named after Dutch engineer JEAKKERINGA was successfully designed in 1858 and was originally used for tin mining in BANKA island of Indonesia. Drill rigs were used extensively in the sampling of alluvial and residual tin deposits in the former Dutch East Indies and were later used for general coverage around the world