1. Two new aural instruments: Some suggestions concerning the prognosis and treatment of chronic non-suppurative inflammation of the middle ear Author(s): Dench, Edward Bradford, 1864-1936 author Publication: New York : The Knickerbocker Press, G.P. Putnam's Sons, [1892?] Subject(s): Ear Diseases -- therapyInsufflation -- instrumentationDilatation -- instrumentationOtitis Media with Effusion -- therapy