Mercury in glass thermometer
Mercury in glass thermometer, graduated -5.5(0.1)50.2, 99(0.1)101, etched Baird and Tatlock (London) Ltd "Jena Normal 16 III glass" 16099 NPL 10-14, 1910
Mercury in glass thermometer, graduated -5.5(0.1)50.2, 99(0.1)101, etched Baird and Tatlock (London) Ltd "Jena Normal 16 III glass" 16099 NPL 10-14, 1910