For an hour they worked, and at the end of it the locomotive whistled outside the shack.

The locomotive of Billy Pilgrim's train whistled back.

The locomotive was whistling for a grade crossing that hadn't been on the map for thirty years.

The locomotive whistled and the coupling jolted as the brakes squealed.

Somewhere off in the darkness, a locomotive whistled.

The locomotive was whistling for Willow Glen.

The locomotive whistled shrilly as it clattered over the steelwork of the bridge.

They were still on the outskirts of the village when they heard a locomotive whistle.

The locomotive whistled vigorously.

The locomotive whistled shrilly twice and picked up speed- It was a good crackup.