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An Olfactometer with a Wide Range of Possibilities

Acta Oto-Laryngologica, 1960
An olfactometer is described which is very suitable for threshold measurements of the organ of smell. The rate of flow of the odorous air, duration of stimulus and number of odorous molecules are controlled independently. The dilution can be varied over a range of 1 to 10-12 times the original concentration of the odorant.
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An Olfactometer Permitting Stimulus Specification in Molar Terms

The American Journal of Psychology, 1954
Abstract : Thresholds are determined by metering various amounts of odorous material dissolved in mineral oil into a syringe by adjustment of a 3-way stopcock; the syringe is then filled with pure air. The molecular concentration of the stimulus is calculated from the vapor pressure and molecular weight of the odorous substance, the molecular weight of
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An Olfactometer for the Rat