1. Dear Doctor, the above cut shows an applicator that excels all others in the treatment of catarrhal ailments Author(s): Musick & Spencer (Firm), author. Publication: [Chicago, Ill.] : [publisher not identified], [1891?] Subject(s): Respiratory Tract Diseases -- drug therapyNebulizers and VaporizersAdministration, Inhalation
2. Treatment of diseases of the respiratory organs by direct application to the parts affected Author(s): Dunlap, H. M. (Harley Mitchell), 1862-1927 author Publication: [Detroit?] : [publisher not identified], [1892?] Subject(s): Respiratory Tract Diseases -- drug therapyAdministration, InhalationNebulizers and Vaporizers
