Action, center of, 112
Alternate interior angle, 25
American Meteorological Society, 329
Amplitude, (defined), 60
Angle, alternate interior, 25; arc, 9; between
projected arcs, 26, 27; between two circles, 16;dihedral, 6; phase, 61; polyhedral, 9; spherical, 7, 8
trihedral, 9
Angles of the hexagon, 48, 49
Angstrom units, 54
Angular number, 101, 116, 170; defined, 115
Antinodes, 64, 65
Antipodal point, 8
Apollonius, 83
Arc angle, 9
Arc of a circle, 5
Arc polygon, 10
Arcs, angle between projections of, 26, 27
Asymmetric symmetry, 80, 81
Averages, symmetry of, 76, 77
Benard, H., 47, 49, 97, 323
Bender, Daniel, xv, 331
Bilaterai symmetry, 68, 157, 159
Bjerknes, J., 1, 331
Bode's Law, 52
Bohr, Niels, 54, 55, 56
Bravais, August, 327
Bravais lattices, 327
Buffon, (Histoire Naturelle), 327
Bulletin of the American Meteorological Society, 328,330
Burt, 327
Cardan, 326
Catenoid, 84, 85
Center of Action, 112
Center of Gravity, 112
Center of Projection, 13
Central vortex, (nuclear vortex), 101, 102, 115
Charts, Circumferential, 115-168
Charts, Radial, 169-319
Chesterton, Gilbert, 80
Chladni, Ernst, 91-95
Chladni Plates, 99, 114, 125, 170
Chord, 9
Circle, arc of, 5; equatorial, 22; great, 4, 5, 117,
324; inclination of, 22; nodal, 92; polar distance
of, 22; primitive, 22; small, 5, 116, 324
Circle center, straight line traced by, 85
Circles, angle of projection between, 16; latitude, errors in projection of, 18-21; projection of center of, 21
Circumferential Charts, 115-188; #20, 155; #26A, 145; #26B, 146; `32, 147; #34, 138; 937, 132133; #39, 129; #40, 128; #42, 130, 131; `46A, 123; #45B, 124-127; #49, 156; #56A, 120, 121; #55B, 122; #58, 117-19; #60, 134, 135; #63, 148; #66, 139; #72A, 142, 143; #72B, 144; #76, 136, 137; #78A, 157; #78B, 158; #79, 159; #80, 160; #81, 161; #82, 162; #84, 183; #86, 141; #88, 140; #9OA, 164; #9OB, 165; $90C, 166; #9lA, 149; #9lB, 150; #9lC, 161; #9lD, 152; #93A, 153; #93B, 154; #99, 167; #103, 168
Circumferential Units, (CU), 116, 323, 324
Circumferential wavenumber,92
Classes of symmetry, {point, line, plane ), 67, 88
Close packing of spheres, 41-46
Col, defined, 28; 111, 124, 125, 324
Co-latitude, 18
Cone, right circular, 83
Conic section, straight line, 83
Conic sections, 82-84; Roulette, 84, 85
Conklin, 45
Constructive interference, 64
Crystal, 71, 73; with defects, 81; lattice, 73
CU (circumferential units), 116, 323, 324
Curved surface, 5
Cylinder, surfaces of revolution, 84-89
Cylindrical structures, 84, 86-88
D-day (June 6, 1944), 320
Degrees of feedom, 33
Delaunay, 84
Demi-reguls patterns, 38-39
Demi-regular tessellations, 36
Destructive interference, 64
Diad, two fold symmetry, 69
Diameter, nodal, 92
Dictyocha stapedia, 45
Diffraction grating, 99, 100, 103, 324
Dihedral angle, 6; magnitude of, 6
Dilation symmetry, 71, 73
Dispersion, 63
Distigma proteus, 89
Dodecahedral, 34
Dodecahedron, 30, 31, 327; regular, 29