He rapidly constructed on the upper blank part of the paper, a proportional diagram consisting of two intersecting lines with a single cross-line.

The Track Chart, showing the route followed by Weiss’ carriage

• —Starting-point in Lower Kennington Lane.
• —Position of Mr. Weiss’ house. The dotted lines connecting the bridges indicate probable railway lines.

—Starting-point in Lower Kennington Lane.

—Position of Mr. Weiss’ house. The dotted lines connecting the bridges indicate probable railway lines.