Third add to a small copper bolt on the inner measurement tube 's glass wall above 5 ~ 10 mm the liquid surface in which Beckmann Thermometer 's mercury bulb was immerged .
三是在浸没 贝克曼 温度计水银球的液面上方5~10mm处的常规内测玻璃壁上添加一个小铜螺栓。
On Determination of the base point temperature 1 / 2 of beckmann 's thermometer in process of determining the caloricity of coal
简析煤的发热量测定中 贝克曼 温度计的基点温度的确定
The regulating method of Beckmann thermometer and the teaching of experimentation
贝克曼 温度计调节方法与教学
贝克曼氏温度计