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Glasses into the Tapers, I found the smallest Prints somewhat larger, but not so clear, so distinct, nor so pleasing to the Eye, as when I use the Empty Tapers. Also I am so confirm'd, that these empty tapers do preserve, strengthen, and in some small degree recover the sight. This may give occasion to consider, Whether to a sight much decay'd, a hindrance of the Refractions may be a Remedy? And whether the hindrance of Refractions, which helpes some Eyes, helpes not others?And I find my self best at ease with those Leathern Tubes, I first used; and rather without any fastning to the bone of the Spectacles: For, as they hang in that slight manner, I can with a touch of my finger raise them up, or bow them down, divide them, or unite to take in the same object, which is more than I said at first. And I put them off and on as speedily and as easily as any other Spectacles.
An Extract of a Letter,
MOnsieur Smith, Physitian in Ordinary to this City, having liberty granted him to try an Experiment upon some persons desperately infected with the Poxe, then in the publick Hospital here, adventur'd the opening a Veine, and infusing some Medicines into the blood; which was tryed upon two persons, whereof the one recover'd, and the other dyed, Yet being since farther encouraged by corresponding with some of the Royal Society in England, about a Moneth since, the said Physitian, together with Monsieur Scheffeler, another ancient Practitioner in this City, repented the Experiment by infusing Altering Medicines into the Veines of the right Armes of three persons: the one, lame of the Goute; the other, extreamly Apoplectical; and the third, reduced to extremity by that odd distemper, the Plica Polonica. The Success of this, as Monsieur Hevelius (who was the person only admitted to be present at the operation) informes me, was; That the Gouty man found himself pretty well next day, and shortly after went to work, it being Harvest time, and
