which has been in centages. But a per cent of moisture at one temper- shafts to the various rooms in the house. At the base a room four minutes can properly be Called vitiated. ature will be different as the temperature is raised or of each of these smaller shafts is a steam coil, which The large… … ment of the house, the first floor, and a Plan and Elevation of the Basement, Air Duct, and Air Shalt. section through the house and shaft reach- First Floor Flan, Showing Air Shafts. ing to the cave. These show the simple yet highly effective means employed to control the caves, 87 at 54 deg.,…
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