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. </s>
              <s>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. </s>
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              <s>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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              </s>
              <s>We ſhall not inſiſt on the explanation of
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              this, but refer You for it to what we have </s>
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      </text>
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