29系列全浸式温度计，用于检查-80°C至505°C范围内其他温度计的精度。材料、基本尺寸、刻度和图形。附录:NPL批准的测温玻璃；退火和稳定化；试验程序；测试不确定度值。

Series of 29 total immersion thermometers for checking the accuracy of other thermometers in the range -80°C to 505°C. Materials, essential dimensions, graduation and figuring. Appendices: thermometric glasses approved by the NPL; annealing and stabilization; test procedure; values for uncertainty of test.