Mr Trotman went down the air-shaft communicating with the other boilers.
We are under an air-shaft running up to the poop-deck, and we may go no further.
They live in lodgings and make acquaintance across the air-shaft.
You remember that I told you there was an air-shaft in the middle of the caisson?
In such cases a second well is dug to the right or left, as an air-shaft, which draws off these noxious vapours.
I thought your tracing was leading us to the top of the air-shaft instead of to the chamber at its bottom.
A large four-inch pipe led up the air-shaft and over the sea.
Inside the big cylinder was a second smaller one, like an air-shaft, five feet in diameter.
The first grayness of dawn filtered through the air-shaft window of the kitchen.
I jumped up from the bed, threw open the window, and began fighting with the deaf-and-dumb air in the air-shaft.