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21
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no.1
ELECTRICITY.
Franklin, Benjamin, 1706-1790.
Experiments and observations on electricity, made at Philadelphia in America, by Mr. Benjamin Franklin, and communicated in several letters to Mr. P. Collinson, of London, F.R.S.
London: Printed and sold by E.Cave,at St.John's Gate. 1751. (Price 2s. 6d.)
2p.f.,86p. fold.plate. 2hem.(4to) "Corrections and additions": p.85-86.
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