Further studies in the propagation of sound. By A. Wilmer Duff.
The intensity of telephonic sounds. By A. Wilmer Duff.
The distance to which small disturbances agitate a liquid. By A. Wilmer Duff.
The evaporation of water covered by a film of oil. By A. Wilmer Duff.
A note on temperature coefficient of electrical conductivity of electrolytes. By Arthur Kendrick.