Page:Experimentsnotes00boyl.pdf/583

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of Electricity
29

to flye moſt to her Cheeks when they had been put into a ſomewhat ſtiff Curle, and when the Weather was froſty*.

*Some years after the making the Experiments about the Production of Eletricity, having a deſire to try, whether in the Attractions made by Amber, the motions excited by the air had a conſiderable Intereſt, or whether the Effect were not due rather to the Emiſſion and Retraction of Effluvia, which being of a viſcous nature may conſiſt of Particles either branch'd or hookt, or otherwiſe fit for ſome kind of Coheſion, and capable of being ſtretch'd, and of ſhrinking again, as Leather Thongs are: To examine this, I ſay, I thought the fitteſt way, if 'twere practicable, would be, to try, whether Amber would draw a light Body in a Glaſs whence the air was pumpt out. And though the Trial of this ſeem'd very difficult to make, and we were ſomewhat diſcouraged by our first attempt, wherein the weight of the ambient air broke our Receiver, which chanced to prove too weak, when the internal air had been with extraordinary diligence pumpt out; yet having a vigorous piece of Amber, which I had caus'd to be purpoſely turn'd and poliſh'd

for