"It is impossible that the eye should project from itself, by visual rays, the visual virtue, since, as soon as it opens, that front portion which would give rise to this emanation would have to go forth to the object and this it could not do without time. And this being so, it could not travel so high as the sun in a month's time when the eye wanted to see it."
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"There is something however in the experiments of points, sending off, or drawing on, the electrical fire, which has not been fully explained, and which I intend to supply... For the doctrine of points…"
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