SALICYLIC ACID, produced in commercial quantities from carbolic acid; is a white crystalline powder, soluble in water, odourless, of a sweetish acid taste; largely used as an external antiseptic, and internally in the form of salicylate of sodium as a febrifuge and cure for acute rheumatism.

The electricity was manufactured by a process of extracting chloride of sodium from the sea-water, but the fresh air necessary for the life of the crew could only be obtained by rising to the surface.