A lecture on the preservation of health / By T. Garnett.

  • Thomas Garnett
Date:
1800
Catalogue details

Licence: Public Domain Mark

Credit: A lecture on the preservation of health / By T. Garnett. Source: Wellcome Collection.

    33/138 (page 15)
    fill examination, be found to be the following— Firft, when the powerful action of the exciting powers ceafes for fome time, the excitability accumulates, or becomes more capable of receiving their action, and is more powerfully affected by them. If we examine feparately the dif- ferent exciting powers, which ad: on the body, we fhall find abundant confirmation of this law. Let us firft confider Light ; if a perfon be kept in darknefs for fome time, and be then