Heat, radiation of, [311]

Heat, reflection of, [314]

Heat, connection of, with light, [312]

Heat, production of, by electricity, [391]

Heat, degree of, endurable by man, [328]

Heat, latent, [319]

Heat, capacity of different substances for, [320]

Heat, relation of, to density, [321]

Heat, relation of, to forms of substances, [323]

Heat and cold, [270]