SUBJECT INDEX 
Absorption, 52, 55, 73, 203, 240 
Action, least, 19, 154, 155 
Action, quantum of, 4, 20 
Adiabatic invariance, 25 
Affinity, electron, 5 
Algebra, quantum, 231-3 
Angstrom unit, 47 
Angular momentum, 4, 8, 105, 116, 
137, 162-3, 180, 181, 199, 
216 
Angular variables, 25 
Anomalous terms, 79 
Zeeman effect, 205, 210 
Anomaly, Glaser, 89 
Atom, 14, 29, 39, 65, 244, 245 
hydrogen, 53, 126 
helium, 59, 132 
structure of, 13, 14, 69, 122 
Atomic models, 14, 39, 52, 73-8, 
121-33, 205, 221, 249 
numbers, 69-73, 178, 263-5 
rays, 87 
theory, 244 
Atomicity, 3, 4, 28, 172 
Avogadro’s constant, 35, 36, 257 
Azimuthal quantum number, 60, 80, 
84, 262 
Chemical compounds, 121, 123, 124 
Chemical reactions, 7 
Conservative system, 19 
Constant, Boltzmann’s, 94, 202, 
257 
Curie, 93 
fine structure, 56, 175-83, 193 
gas, 94. 257 
Planck’s, 4, 171-83, 257 
Rydberg’s (see Rydberg con 
stant) 
Stefan’s, 174 
Continuity, 151, 247 
Continuum, 151, 247 
Co-ordinates, Hamiltonian, 16 
Corpuscular theory, 6, 184 
Correspondence principle, 66 
Covariant, 154 
Crystal structure, 12, 121 
Curie constant, 93 
Current circuits, 141-6 
Balmer series, 48, 58, 262 
Band spectra, 11, 66, 80, 133, 238 
Black body radiation, 2, 202, 241 
Bohr frequency condition, 8, 55, 60, 
147-9 
Bohr magneton, 36, 44, 88, 89, 97, 
98, 166, 214, 239 
Boltzmann’s constant, 94, 202, 257 
de Broglie, theory of, 201-3, 251 
Degeneration of gases, 12, 242 
Determinants, 227 
Determinism, 189 
Diamagnetism, 91, 222 
Diffuse series, 51 
Discontinuity, 151, 246, 247 
Dispersion, 225, 249 
Dissipative system, 19 
Dynamic model, 14, 53, 128, 249-50 
Dynamics, classical, 19 
Calamoids, 150-9, 247 
Characteristic function, 19 
values, 236, 237 
Charge, electron, 29,163-8,176, 178 
Chemical combination, 102