Search results
Results From The WOW.Com Content Network
A typical volume of Bell System Practices from the 1970s. The Bell System Practices (BSPs) is a compilation of technical publications which describes the best methods of engineering, constructing, installing, and maintaining the telephone plant of the Bell System under direction of AT&T and Bell Telephone Laboratories. [1]
Elisha Gray (August 2, 1835 – January 21, 1901) was an American electrical engineer who co-founded the Western Electric Manufacturing Company.Gray is best known for his development of a telephone prototype in 1876 in Highland Park, Illinois.
Baldwin generally classified them based on horsepower and weight, as follows: Class A -- early 30 to 40 tons (rated at 300 horsepower) Class B -- 45 to 55 tons (rated at 400 horsepower) Class B-1 -- 41.5 to 50 tons (rated at 400 horsepower) Class D -- 59 to 65 tons (rated at 500 to 1000 horsepower) Class E -- 80 to 97 tons (rated at 1440 ...
AOL latest headlines, entertainment, sports, articles for business, health and world news.
Get the Moses Lake, WA local weather forecast by the hour and the next 10 days.
Nathaniel Baldwin (December 1, 1878 – January 19, 1961) [1] was an American inventor and industrialist, [2] known for his improved telephonic earphone, among other inventions. He was also a supporter of the early Mormon fundamentalist movement.
The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.
Telephone magneto viewed from beneath shows the armature (inset, left) and the horseshoe field magnets, and the gears to drive the rotor. A telephone magneto is a hand-cranked electrical generator that uses permanent magnets to produce alternating current from a rotating armature.