TY - JOUR T1 - Bakerian Lecture.The Nadir of Temperature, and Allied Problems. 1. Physical Properties of Liquid and Solid Hydrogen. 2. Separation of Free Hydrogen and other Gases from Air. 3. Electric Resistance Thermometry at the Boiling Point of Hydrogen. 4. Experiments on the Liquefaction of Helium at the Melting Point of Hydrogen. 5. Pyroelectricity, Phosphorescence, &c. JF - Proceedings of the Royal Society of London (1854-1905) VL - 68 SP - 360 EP - 366 PY - 1901/01/01/ UR - http://dx.doi.org/10.1098/rspl.1901.0058 M3 - doi:10.1098/rspl.1901.0058 AU - Dewar, J. ER -