New experiments and observations on electricity. Made at Philadelphia in America. By Benjamin Franklin, Esq ; and communicated in several letters to P. Collinson, Esq

"New experiments and observations on electricity. Made at Philadelphia in America. By Benjamin Franklin, Esq ; and communicated in several letters to P. Collinson, Esq"@en
"New experiments and observations on electricity : Made at Philadelphia in America. By Benjamin Franklin, Esq; and communicated in several letters to P. Collinson, Esq"
"New experiments and observations on electricity. Made at Philadelphia in America. By Benjamin Franklin, Esq; and communicated in several letters to P. Collinson"@en
"New experiments and observations on electricity Made at Philadelphia in America. By Benjamin Franklin, Esq; and communicated in several letters to P. Collinson, Esq"
"New experiments and observations on electricity Made at Philadelphia in America. By Benjamin Franklin, Esq; and communicated in several letters to P. Collinson, Esq"@en