The bells rang for schools; the distant hum of the town began.

And the distant hum of a town seen hazily in the mist.

There was a distant hum and a rumble as the reading approached.

With his ear to the ground, he heard the distant hum of industry.

There was no other sound except the distant hum of motors.

No distant hum of an organ, no memorial plaques on cold and soberly-painted walls.

From the work-room came the distant hum of a sewing-machine and the sound of voices.

Soon their voices had petered to a distant hum.

Suddenly there is the distant hum of a motor.

The outer airlock cycled open with a distant hum.

There were no sharp near-noises, the city's activity coming merely as a faint distant hum.

Another shout-thewhirl of the wheels-thetrampling of feet-the distant hum and murmur-andall was still.

The band had stopped, and there was the distant hum of voices and the crackle of plates.

There certainly was a dull vibration in the air, a vibration like the distant hum of machinery.

There was still the distant hum of voices, but the physical isolation was far too disconcerting for Amy.

Towards morning, a distant hum in the nizam's camp proclaimed that the troops were mustering for the assault.