Boyle, Robert
,
New experiments physico-mechanicall, touching the spring of the air and its effects
,
1660
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from the reſt of the Air: The other proof
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we will take from what we (and no doubt
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very many others) have obſerv'd, touch
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ing the Illumination of the Air in the
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Night. </
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>And we particularly remember,
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that, being at ſome diſtance from
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London
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one Night, that the People, upon a very
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well-come Occaſion, teſtified their Joy
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by numerous Bon-fires; though, by rea
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ſon of the Interpoſition of the Houſes,
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we could not ſee the Fires themſelves, yet
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we could plainly ſee the Air all enlighten'd
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over and near the City; which argu'd,
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that the lucid Beams ſhot upwards from
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the Fires, met in the Air with Corpuſcles
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opacous enough to reflect them to our
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Eyes. </
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<
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>A third thing that we conſidered, was,
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That white may be produc'd (without
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excluding other ways, or denying inviſi
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ble Pores in the ſolideſt Bodies) when
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the continuity of a Diaphanous Body
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happens to be interrupted by a great num
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ber of Surfaces, which, like ſo many
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little Looking-glaſſes, do confuſedly re
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preſent a multitude of little and ſeeming
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ly contiguous Images of the elucid Body.
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<
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>We ſhall not inſiſt on the explanation of
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this, but refer You for it to what we have </
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