Telegraph
Defined in 3 dictionaries — Case Law, Ballentine's (1916), Black's (1910)
Definitions from Case Law
From 218 U.S. 406 - Western Union Telegraph Company v. Commercial Milling Company · 1910Most cited · 133 citing opinions
Intercourse between the states by the telegraph is interstate commerce.
Ballentine's Law Dictionary
James A. Ballentine · 1916
Held to include telephone. See 48 Ohio St. 390, 29 Am. St Rep. 559, 12 L. R. A. 534, 27 N. E. 890.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In the English telegraph act of 1863, the word is defined as "a wire or wires used for the purpose of telegraphic communication, with any casing, coating, tube or pipe inclosing the same, and any apparatus connected therewith for the purpose of telegraphic communication." St 26 & 27 Viet c. 112, § 3.