Abstract:An instrument for the estimation of intensity of odour is described. The dilution required to make the odour just detectable in a mixture with odour‐free air is taken as a measure of the intensity, and the instrument is essentially a mechanical device for making the requisite dilution conveniently.
Different persons show markedly different sensitivities to a given odour, and these differences vary widely with different odours. These differences in sensitivity cannot then be estimated from the results obtained … Show more
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