A minute later Ralph was summoned to a bench placed under the windows at the south curve of the building.
Limpy stood on the bench, looking out.
"Come here," he directed. "No use!"
"What do you mean?" inquired Ralph.
"Look."
Ralph, clambering up to the bench, had the retiring tramp in full view.
The latter was piece by piece firing the lunch he had given him at switches and signal posts, as if he had a special spite against it.
"Didn't come for food, you see?" observed the helper.
"What did he come for, then?" demanded Ralph, indignant and wrought up.
Limpy simply shrugged his shoulders, and went off about his duties.