"Some kind of strange smoky fog drifted past them and made them go blind."

The air hung heavy with hot smoky fog.

Thus was the riddle partially solved - the question of how smoky fog had appeared in Frenton's room without coming from a visible source.

They led her down into a labyrinth of airless corridors, lit by scattershot, smoky fogs, brooding silences, lurid accelerations down unseen gradients.

Next a smoky fog of clouds covered the whole region densely, and we took to the railway-ties to keep from getting lost.

Each burst painted its broken, dismembered victims as silhouettes in the smoky fog.

There was also a thick, smoky fog that seemed allergic to the sunlight.

It had misted over the city with the usual smoky fog.

Ahead, glimmering dimly through the smoky fog of chemistry, was the wan glow of Ross 128.

They reached Duncan and Conrad and swung into line to face the oncoming hairless ones, who were backed by the roiling cloud of smoky fog.