Search results
Results from the WOW.Com Content Network
A balanced-arm lamp has a base, a stand or body, (in most cases) two connected arms (in many cases fitted with springs), and a lamp-head. The lamp can be moved into almost any position, and the balancing device will maintain the position until moved again. The same overall mechanism can be employed in other devices with similar requirements ...
Tesla designed an arc lamp with automatic adjustment and a fail-switch as well as improved dynamos. These were the first patents issued to Tesla in the US. [3] By 1886 he had installed a central station based system in Rahway lighting streets as well as a few factory buildings.
The original Leviton logo, used from 1924 to circa 1968 Leviton level 2 EV charging station Leviton Headquarters. Leviton was founded in 1906 by Russian immigrants Evser Leviton and his son Isidor Leviton when they began manufacturing brass mantle tips for natural gas lights in Manhattan's Lower East Side.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.
In 1911, General Electric was found to have acquired three quarters of the National Electric Light Association, an association of lighting product companies through which GE had licensed its patented products; this trading arrangement was the subject of an antitrust investigation, and as a result the association was dissolved.
The joints and spring tension allow the lamp to be moved into a wide range of positions which it will maintain without being clamped. [3] [4] Carwardine applied to be a patent, number 404,615, [5] for a design using the mechanism on 4 July 1932, and manufactured the lamp himself in the workshops of his own company, Cardine Accessories, in Bath. [6]
The Brockton station is listed in the National Register of Historic Places. [7] On November 17, 1883, the Edison Electric Illuminating Company of Mount Carmel, Pennsylvania was founded. This was the first isolated electrical plant in the world, meaning that the entirety of Mount Carmel was powered by electricity. 38 arc lamps and 50 ...