Two lines of words appeared: one above the horizontal shaft, the other below.
"It's a horizontal shaft driven into a mountain," said Harrison.
He stopped because he had reached the end of the horizontal shaft.
A shaft of sunlight, nearly horizontal, was streaming into the room; he sat up and rubbed his eyes.
The five miners were in a horizontal shaft where the temperature was 40 degrees.
"I only show one main horizontal shaft connecting to this building."
We can always drive a horizontal shaft off gallery fifteen.
They reached him and the floor of the lower horizontal shaft a moment later.
And, if they were suspended from a horizontal shaft, the cars could run a complete circuit of the building.
He took the torch out, chose a horizontal shaft and wriggled in.