- Thick mantles o’er the boiling wave, do thou
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The skum that mantles carefully remove.
- FROM bloating dropsy,1 from pulmonic ails,2
- Would’st thou defend thy boilers, (prime of slaves,) [335]
- For days, for nights, for weeks, for months, involv’d
- In the warm vapour’s all-relaxing steam;
- Thy boiling-house be lofty: all atop
- Open, and pervious to the tropic breeze;
- Whose cool perflation,3 wooed through many a grate, [340]
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Dispells the steam, and gives the lungs to play.
- THE skill’d in chemia, boast of modern arts,
- Know from experiment,4 the fire of truth,
- In many a plant that oil, and acid juice,
- And ropy mucilage,5 by nature live: [345]
- These, envious, stop the much desir’d embrace
- Of the essential salts,6 tho’ coction bid
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The aqueous particles to mount in air.
- ‘MONG salts essential, sugar wins the palm,
- For taste, for colour, and for various use: [350]
VER. 339. Open, and pervious] This also assists the christallization of the Sugar.
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An accumulation of fluid in the soft tissue of the body. The modern term is edema (or oedema). ↩︎
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Lung infections or diseases. ↩︎
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Ventilation provided by air blowing through a space. ↩︎
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Experience. ↩︎
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A viscous liquid made from plant material. ↩︎
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Eighteenth-century scientists studying the composition of plants posited that they contained essential salts or acids and minerals obtained by the crystallization of plant juices. ↩︎