References
- 電機磁氣測定法 河喜多能一;失幡源三
- Analytical Experimental Physics M.B. Lemon;M. Ference
- 化學工業雜誌 v.6 no.3 日野義則
- 中央工業硏究所報告 v.VII 吳信燮;金廷赫
The attempt to distinguish between graphite and domestic anthracite was means, especially electric resistance. The specific resistance values of various coals and graphites were determined by Wheaston Bridge equipped with more finely adjustable slide wire. The result of graphite was in the below of 0.08 ohm-cm and that of anthracite has