New experiments and observations on electricity. : Made at Philadelphia in America. / By Benjamin Franklin, esq; and communicated in several letters to P. Collinson, esq; of London, F.R.S.
- Franklin, Benjamin, 1706-1790.
- Date:
- 1754
Licence: Public Domain Mark
Credit: New experiments and observations on electricity. : Made at Philadelphia in America. / By Benjamin Franklin, esq; and communicated in several letters to P. Collinson, esq; of London, F.R.S. Source: Wellcome Collection.
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