Auditory Masking and Dynamics of the Inner Ear

[Washington, DC: American Physical Society, 1924]. Offprint. Octavo; publisher's grey printed staplebound and hole-punched wrappers; 20pp.; graphs throughout. Light toning to extremities, else Very Good or better. "A presentation of data on masking of one pure tone by another at various frequencies and intensities and a computation of vibration characteristics of the cochlea" (upper cover). First published in "The Physical Review," Second series, Vol. 23, no. 2, February, 24, 1924, and issued here as Western Electric Company Engineering Department Reprint B-58-1.