Abbreviations for chart work, 345, 346
Accidents, as affected by daylight, 140
in industrial plants, 144, 145
on railroads of United States, 134, 135
Accountants, viewpoint of, 300
Accuracy and significant figures, 326
Acker, Merrall & Condit Co., 116
Adding machines, pocket, 325
Advertising, bead maps for, 253
maps for, 238, 239
use of curves for, 77, 78
Allen, William H., 250
American Jersey Cattle Club, 278
American Machinist, 335 American Railway Association, 349 American Review of Reviews, 46, 47, 229, 231 American Society of Mechanical Engineers, ii, 31, 52, 54, 122, 363 American Statistical Association, 167, 176, 197 American Telephone & Telegraph Co., 5, 179, 240, 309, 353, 354, 355, 356 Analysis of sales, 188 Angle of a cumulative curve, 150 of a curve, 131 Annalist, the, see New York Times Annalist
Annual reports, corporation, 307
Apples, price curves of, 127, 128, 129
Arithmetically ruled co-ordinate paper, 132
Atlas of the U. S. Census, see Statistical Atlas
Atomizer for spraying ink, 57
Authorization for curve records, 284
Automobile exports of United States, 41,43
factory records, 263
factory schedule curves, 150
sales records, 255, 264
Automobiles, comparison of, 347, 348
Averages, moving, 97, 283
progressive, 153
weighted, 103
Babson, Roger W., 120, 121
Bacteria in river water, 20
in river water at varying depths, 85
Bald Eagle Valley Railroad, 67
Bar diagrams versus curves, 310
Bars combined with a curve, 54
certain made prominent, 29, 30
for use in comparison, 22
horizontal, 4
horizontal, representing time, 53
vertical, 46, 47
vertical, for components, 138
Bead maps, 251
Beads for map use, 247, 248
for statistical charts, 207
Bell Telephone system, 353, 354, 355, 356
Ben Day shading, 216, 220, 331, 332
shading on maps, 209
work, 331, 332
Bertillon, 220
Biologists, use of curves by, 203
Biometrika, 202
Blue-printing, 328
cards, 259, 261
curve cards, 291, 296
machines, 261, 296
Boards for pin records of costs, 191, 192
Bonus earned chart, 52, 54
Boston Elevated Railroad, 4
Boston Globe, 212
Boston Health Department Report, 30,109
Bowley, Arthur L., ii, 98
Breaks in drawings, 190
Bridges, drawing, upon photographs, 209
Brotherhood of Railroad Trainmen, 103
Building construction in United States, 120, 121
Buildings, maps for showing height of, 220
Bureau of Railway Economics, 257
Butter-fat curves, 279
Camera lenses, 330
Cameras, motion picture, for time study, 50
Campaigns, political, 338
Car-floats, dispatching, 61, 62
Cars, shortage and surplus, 349
Cardboard for blue-printing, 259, 261
models, 336
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INDEX
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