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Oppenheimer poles are galvanised iron telegraph poles. They consist of three oval sections that collapse into each other telescope-style for transportation. Once extended, the joints between the sections are clamped with collars. The pole is fixed to a base for support with a u-bolt. The poles were used in the construction of the Australian ...
The Chicago Tunnel Company was the builder and operator of a 2 ft (610 mm) narrow-gauge railway freight tunnel network under downtown Chicago, Illinois. This was regulated by the Interstate Commerce Commission as an interurban even though it operated entirely under central Chicago, did not carry passengers, and was entirely underground. [ 1 ]
The facility that eventually became South Works began in 1857 under the name of the North Chicago Rolling Mill, which was located in the northern part of the city of Chicago. [1] The plant later moved to South Chicago because raw materials could be shipped in via Lake Michigan , as well as an existing labor pool and available fresh water from ...
A utility pole, commonly referred to as a transmission pole, telephone pole, telecommunication pole, power pole, hydro pole, telegraph pole, or telegraph post, is a column or post used to support overhead power lines and various other public utilities, such as electrical cable, fiber optic cable, and related equipment such as transformers and ...
January 22, 1848 map in New York Herald showing extent of existing and planned North American telegraph lines. At this time, the service area for the United States reached Petersburg, Virginia in the south, Portland, Maine in the northeast, Cleveland, Ohio in the northwest, and as far west as East St. Louis, Illinois.
Part of the Russian–American Telegraph line bearing the single wire of an earth-return circuit, c. 1866. Earth-return telegraph is the system whereby the return path for the electric current of a telegraph circuit is provided by connection to the earth through an earth electrode. Using earth return saves a great deal of money on installation ...
[3] [4] The first issue of the Dixon Telegraph and Lee County Herald was published on May 1, 1851. [3] It was founded Charles R. Fisk, a retired Presbyterian minister who brought a Washington hand press and other printing equipment with him as his family traveled by carriage to come settle in Dixon. It was the area's first newspaper.
The Chicago Crusader – Chicago; The Chicago Jewish Home – Chicago; Chicago Jewish News – Skokie; Chicago Journal – Chicago; Chicago Reader – Chicago; Chicago Shimpo – Chicago; Desplaines Valley News – Summit; Forest Park Review – Forest Park; Greek Press – Chicago; Hyde Park Herald – South Side of Chicago, especially Hyde ...