. . "The electro-magnetic telegraph : a defence against the injurious deductions drawn from the deposition of Prof. Joseph Henry (in the several telegraph suits), with a critical review of said deposition, and an examination of Prof Henry's alleged discoveries, bearing upon the electromagnetic telegraph"@en . . "The electro-magnetic telegraph a defence against the injurious deductions drawn from the deposition of Prof. Joseph Henry (in the several telegraph suits) : with a critical review of said desposition, and an examination of Prof. Henry's alleged discoveries, bearing upon the electro-magnetic telegraph" . "The electro-magnetic telegraph a defence against the injurious deductions drawn from the deposition of Prof. Joseph Henry (in the several telegraph suits) : with a critical review of said desposition, and an examination of Prof. Henry's alleged discoveries, bearing upon the electro-magnetic telegraph"@en . . . . "The electro-magnetic telegraph [microform] : a defence against the injurious deductions drawn from the deposition of Prof. Joseph Henry (in the several telegraph suits) : with a critical review of said desposition, and an examination of Prof. Henry's alleged discoveries, bearing upon the electro-magnetic telegraph" . "The electro-magnetic telegraph : a defence against the injurious deductions drawn from the deposition of Prof. Joseph Henry (in the several telegraph suits), with a critical review of said deposition, and an examination of Prof. Henry's alleged discoveries, bearing upon the electro-mangetic telegraph"@en . . . "The electromagnetic telegraph, a defence against the injurious deductions drawn from the deposition of Prof. Joseph Henry (in the several telegraph suits), with a critical review of said deposition, and an examination of Prof. Henry's alleged discoveries, bearing upon the electro-magnetic telegraph" . . . . "History"@en . . . "The electro-magnetic telegraph; a defence against the injurious deductions drawn from the deposition of"@en . "The electro-magnetic telegraph. A defence against the injurious deductions drawn from the deposition of Prof. Joseph Henry"@en . . . . . . . "The electro-magnetic telegraph : a defence against the injurious deductions drawn from the deposition of Prof. Joseph Henry (in the several telegraph suits), with a critical review of said deposition, and an examination of Prof. Henry's alleged discoveries, bearing upon the electro-magnetic telegraph"@en . . .