The Electro-Magnetic Telegraph; A Defense Against the Injurious Deductions Drawn from the Deposition of Prof. Joseph Henry (in the Several Telegraph S

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1855 edition. Excerpt: ... certaining that in the process of inserting the wire into the pipe, (which was at the moment of forming the pipe from the lead at melting heat,) the insulating covering of the wires had become charred at various and numerous points of the line, to such an extent that greater delay and expense would be necessary to repair the damages than to put the wire upon posts. In this state of affairs, I recurred to my other mode proposed, to wit, putting my conductors on posts, (the mode now in use ;) and in a letter dated Washington, February 2d, 1844, I asked the permission of the Secretary of the Treasury to try the mode upon posts, as far as Beltsville, twelve miles from Washington,-towards Baltimore, which was accorded; and sealed proposals for seven hundred posts were advertised for by me, in the Madisonian and in the National Intelligencer of February 6th, 1844. On February 7th, 1844, I went to Baltimore, on rny way to New-York. At Baltimore I found awaiting me at the Depot the following:-- • Letter from Prof. Henry, dated Princeton, Jan. 24th, 1844, post marked Jan. 26th, directed " Professor Morse, Electrical Telegraph Depot, Baltimore." " Peincetox, Jan. 2