Page:Graphic methods for presenting facts (1914).djvu/391

 Street-car service map, 225

String for routing salesmen, 237

Stream velocity, 87

Swazey, Edward Scott, ii

Subdivision of components, 8

Suffern & Son, 30, 213

Survey, the, 6, 245

Swinging display fixtures for maps, 233

Symbols for charts, 345, 346

System, 15, 90, 123, 223.

Tabulating Machine Company, 322, 323, 324, 325

Tabulating machines, 320, 321, 322, 323, 324 machines for cards, 323

Tacks, celluloid-covered, for maps, 247, 248 map, 225, 247, 248

Tarr and McMurray's new geographies, 22

Taylor, Graham Romeyn, 214, 221

Telephone load curves, 108 rates, 126 service curves, 179 service in Wisconsin, 178

Telephones in United States, pin map, 240 number used in United States, 354

Temperature curves, 117, 118

Thompson, A. T. & Co., reflectoscope, 303

Thomson, H. F., 198

Three-dimensional charts, 205, 206

Time charts, 53

Time-distance charts, 64, 67 curves, 64, 67

Titles for charts, 344, 345

Topographical maps, 235

Totalizing curves, 125

Tracing cloth used with maps, 210

Trading centers in United States, 238

Train-dispatching charts, 61, 62, 67

Train-operation curves, 123

Transparentizing solution, 328

Trenton, N. J., public schools, 2

Trucks, costs for gasoline, 198 cost of operating, 29

Tuberculosis death rates, 351

Tug-boat operation, 58

Turbine, steam, tests of, 122

Two independent variables, charts for, 205, 206

Union Bag & Paper Co., 45

Union Pacific Railroad, 311, 312

United States Census Office methods, 320, 321

United States Steel Corporation, 313, 314

University of Cincinnati, 46, 47, 229, 231

Vacation chart, 53

Variables for curves, 84

Variables, two independent, 333

Velocity of water in streams, 87

Vertical arrangement of curves, 347, 349 bar charts, 354 bars, 46, 47 for components, 138

Wage charts, 180, 181, 182 comparison on railroads, 49

Wall board, 232 charts, 306 exhibits, 358 maps, 225, 229

Wall Street Journal, 308

Warne, Frank J., 103

Water power in United States, 216

Water storage-capacity curves, 159

Wave lengths on curves, 283

Waves in curves, 97

Wavy line for bottom of chart, 350, 352, 362

Weather charts, 93

Wealth, curves showing distribution, 197

Weight of steel plates chart, 333

Weighted averages, 103

Westinghouse Electric & Manufacturing Co., 295

Westinghouse, George, 31

Wheat, production of, 1910, 27

Wheeling & Lake Erie Railroad 102

Whipple, George C., 95

White, William Pierrepont, 222

Worcester Polytechnic Institute, 204

World's Work, the, 39, 40, 43, 49, 51, 211

Worsted mill operation, 52, 54

Yale University, 111, 212

Years, methods for naming on curves, 82

Yule, G. Udny, ii

Zero lines for curves, 82, 140, 350, 351, 352

Zero lines on curve cards, 271

Zizek, Franz, ii