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76 it often happen'd, that after a Father and Mother had taken the utmot Care of the Education of their Children, they were frutrated of all their Hopes in an Intant. The Small-Pox getting into the Family, one Daughter died of it, another lot an Eye, a third had a great Noe at her Recovery, and the unhappy Parents were completely ruin'd. Even frequently, when the Small-Pox became epidemical, Trade was upended for everal Years, which thinn'd very coniderably the Seraglios of Peria and Turkey.

Nation is always watchful over its own Interets, and graps at every Dicovery that may be of Advantage to its Commerce. The Circaians oberv'd, that carce one Peron in a Thouand was ever attack'd by a Small Pox of a violent kind. That ome indeed had this Ditemper very favourably three or four Times, but never twice o as to prove fatal; in a Word, that no one ever had it in a violent Degree twice in his Life. They oberv'd farther, that when the Small-Pox is of the milder