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Human frailty, or, Physiological researches into the causes and effects of diseases of the generative system : followed by copious instructions for the perfect restoration of those who are incapacitated from entering into the holy state of matrimony, with observations on the direful results arising from onanism : also a professional dissertation illustrating the results of chemical tests and examinations of the spermatozoa by the author's newly-constructed urinometer, with powerful lenses : and remarks on gonorrhea, gleet, &c., and venereal and syphilitic diseases, with full and explicit directions for taking the triesemar, as administered by Valpeau, Lallemand, Roux, Ricord, &c. &c. / by Medicus. Public Domain Mark. Source: Wellcome Collection.
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