Nature

Vapour-Density and Smell

IN NATURE of May 13 (p. 308) Dr. Hill states that “no volatile body, the density of which is not greater than that of air, is a stimulant of our olfactory membrane.” I venture to suggest some ...
JSTOR Daily

Density of the Vapour in the Mercury Arc and the Relative Intensities of the Radiated Spectral Lines, with Special Reference to the Forbidden Line 2270

Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, Vol. 117, No. 776 (Dec. 1, 1927), pp. 11-29 (22 pages) ...
Nature

Vapour-density and Smell

IN a letter to NATURE of May 13 I made a statement to which Dr. Perman very naturally takes exception (May 27, p. 369). He cites ammonia, hydrocyanic acid, and hydrofluoric acid as instances of ...