Page:Graphic methods for presenting facts (1914).djvu/386

 Card-sorting machines, 322

Cards for blue-printing, 259, 261 for curve-plotting, 256 for curves, 275 for tabulating machines, 320

Cards, information, 287

Carson, John M., 326

Cartoon drawings, 20, 21

Cattle distribution in United States, 215

Cautions, a few, 344

Celluloid-covered tacks for maps, 247, 248

Celluloid, erasing drawings from, 210 flags for maps, 247 for drawings with maps, 210 for mounting maps, 210 tacks for writing, 247, 248

Cement plants in United States, 243 price of for thirty years, 77

Census Abstract, 218

Census Atlas of United States. See Statistical Atlas

Census-Office methods, 320, 321

Census tabulating card, 320

Charts, best size for, 345 in political campaigns, 338 on walls, 306

Checking list for graphic work, 359, 360

Chicago Burlington & Quincy Railroad, 40

Chicago pin map for population, 246

Chicago telephone rates, 126

Choice of scales, 352

Cincinnati, homes of factory workers, 214

Circle and sectors, 5

Circles compared, 36, 37

Clamps for hanging maps, 232

Cleveland Plain Dealer, 92

Cloak and suit industry in New York, 166

Coals, comparative value of, 88

Coloring maps, 209

Color-printing, 5, 331

Colors for chart work, 57

Columns of figures, order for, 45

Combined curves, 125

Commerce of the United States, 70, 71 of the world, 76

Commercial geography, 21

Commercial Museum of Philadelphia, 70, 74, 76, 112

Commission on Economy and Efficiency, 33, 34

Comparisons, 20 involving time, 36

Comparison of curves, 107

Compo-board, 232

Component parts, 1 parts grouped, 33 parts shown by curves, 138

Compound-interest curve, 131

Conjugal condition of population, 9 of population of United States, 168, 169

Construction of graphical charts, 335

Co-ordinate lines, spacing of, 362 paper, 55 paper for weekly records, 150 paper, universal, 60 ruling, 284

Copper production, 26

Copying drawings, 329

Copyrights on maps, 237

Cork composition for map mounting, 232

Corn crop in United States, 44 planting dates in United States, 213 yield and rainfall, 124 yield per acre in United States, 217

Corporation directors, 289, 298 executives, 289 financial reports, 307 record department, 292

Correlation, 129, 199 definition of, 199

Corrugated straw-board for map pins, 191

Cost analysis by pin boards, 191, 192 of handling freight, 184, 188, 192

Cotton goods, production and export, 74, 75

Cotton production, 22 production and export of United States, 41

Country Gentleman, 213, 215, 232

Cows, individual record curves for, 278, 279

Crayons for coloring maps, 57, 221

Crayons, paraffin, 57

Crests and valleys of curves, 79 of curves, 79

Crop Reporter, 100

Cross-hatching, 9

Cross-index of curves, 291

Croton water-supply curves, 160

Cumulative curves, 149 frequency curves, 174, 176, 177, 182, 184

Cunningham, Wm. J., 132, 134, 135, 136

Curtis Publishing Co., 238

Curve comparison, 107

Curve plotting, 47, 69, 84

Curves and vertical bars, 47 for the executive, 254, 288 interpretation of, 357 inversely related, 126 plotted on cards, 259, 275