Then the whistle blew, the engine slowed up, the men dropped their tools and ran for the block house.
Powers heard the familiar click, click, of the clocks as the men filed past the window of the block house just outside.

He said to his clerks, "I'm not going just yet.

I have something extra tonight." He waited until he heard the last man deposit his block.
The men behind the block case went out.

The engineer and his assistants had work for half an hour but they went out by another door..