Attempt to investigate the cause of the Egyptian ophthalmia, with observations on its nature and different modes of cure / By George Power.

  • Power, George
Date:
1803
Catalogue details

Licence: Public Domain Mark

Credit: Attempt to investigate the cause of the Egyptian ophthalmia, with observations on its nature and different modes of cure / By George Power. Source: Wellcome Collection.

    23/78 page 17
    *7 It fortunately, however, happens for the in¬ habitants of Egypt, that thefe effluvia, fc de- flrudive to human life, become fufceptible of new changes, whilft buoyant in the atmofphere, by fpontaneous decompofition, whereby their component parts, becoming difengaged, are either reduced to their firft principles; or, by taking a new arrangement, form compounds, by combination with other fubflances in the at- mofphere, to which they have a greater affinity. Thus the earthy and faline fubflances that abound in the Egyptian atmofphere are pro¬ duced, whilft the fwarms of infeds that are propagated, probably tend to corred the pu~ trefcence of the air by a paffive as well as an adive agency, which it is not neceffary here to infill upon. Thefe fubflances, however, whilfl fufpended in the air become new though lefs deflrudive caufes of difeafe. D The
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