Standard, laboratory grade, round white glass thermometer backed in enamel and filled with mercury or alcohol. The thermometer length is 300 mm or 450 mm and they are furnished in a chromed brass case.
实验室级标准圆形白色玻璃温度计,搪瓷背衬,装满汞或酒精。温度计的长度为300毫米或450毫米,采用镀铬黄铜外壳。