The effects produced by desiccating agencies are beyond all comparison more powerful than those which result from the earthquakes that are so frequent in Turkestan.
The acid is extremely hygroscopic, absorbing moisture from the atmosphere with great rapidity; hence it finds considerable application as a desiccating agent.
During the dry season, when the climate is very much like that of the West Indies, there occur terrible tornadoes and long periods of the harmattan - a north-east wind, dry and desiccating, and carrying with it from the Sahara clouds of fine dust, which sailors designate "smokes."
The anhydrous salt is very hygroscopic, and hence finds application as a desiccating agent.
The time taken in seasoning wood by this desiccating process is not more than one-tenth of that occupied in the natural or open-air method.