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Poems, and phancies

written By the Thrice Noble, Illustrious, And Excellent Princess The Lady Marchioness of Newcastle [i.e. Margaret Cavendish]. The Second Impression, much Altered and Corrected

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Of Air.

The reason, why Air is so equal spread,
Is Atomes long, at each end ballanced:
For being Long, their ends alike withall,
Make th'Air as VVeights into just Measures fall;
And let it move, joyn to what Form it will,
Yet lies in every Line that Figure still:

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For Atomes long, their Forms as thread are spun,
And like a Cobweb interwoven run;
And thus Air being thin, so subtile grows,
That into every empty place it goes.