blow pipe वाक्य
"blow pipe" हिंदी में blow pipe in a sentenceउदाहरण वाक्य
- The origin of his idea is an interesting one : when in Southern India, he examined the blow pipe arrows used by the natives, and found that their base was formed of elastic locus pith, which by its expansion agianst the inner surface of the blow pipe prevented the escape of air past it.