FIGURE 2. World's Trotting Records Plotted on Logarithm Paper.

800

700

600

500

400

300

200

Time Distance

20

15

Speed

Distance

Distance, or course length = L (miles).

Mean speed over course (meters per second).

FIGURE 6. Speeds and Record Times of Running Horses (Logarithmic Co-ordinates).

Log. of time in seconds, and of speed in meters per second.

Miles.