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A telephone magneto is a hand-cranked electrical generator that uses permanent magnets to produce alternating current from a rotating armature. In early telegraphy , magnetos were used to power instruments, while in telephony they were used to generate electrical current to drive electromechanical ringers in telephone sets and activate signals ...
Kellogg company logo as used from the 1920s to the 1950s. The Kellogg Switchboard and Supply Company was an American manufacturer of telecommunication equipment. Anticipating the expiration of the earliest, fundamental Bell System patents, Milo G. Kellogg, an electrical engineer, founded the company in 1897 in Chicago to produce telephone exchange equipment and telephone apparatus.
The model 302 telephone is a desk set telephone that was manufactured in the United States by Western Electric from 1937 until 1955, and by Northern Electric in Canada until the late 1950s, until well after the introduction of the 500-type telephone in 1949. The sets were routinely refurbished into the 1960s.
The new handset became the new standard in the Bell System and was used in refurbishing existing hand telephone sets for reissue as 202-type sets for almost another two decades. In the 1950s, large quantities of old telephones were retired in favor of the popular new model 500 telephone , creating a stock pile of still usable parts.
If old cell phones aren't the only vintage items you have stored away in your home, take a look at what some of the most valuable VHS tapes are going for. Related Articles AOL
Stromberg-Carlson reincorporated as a New York state corporation in 1902, where state law better protected the company from takeover efforts. [1] [2] 1905 Stromberg-Carlson advertisement of telephone apparatus. In 1904, Stromberg-Carlson was purchased by Home Telephone Company, a relatively large service provider based in Rochester, New York.
Western Electric Co., Inc. was an American electrical engineering and manufacturing company that operated from 1869 to 1996. A subsidiary of the AT&T Corporation for most of its lifespan, Western Electric was the primary manufacturer, supplier, and purchasing agent for all telephone equipment for the Bell System from 1881 until 1984, when the Bell System was dismantled.
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related to: value of old crank telephones for sale on craigslist new york