Utilities such as Commonwealth Edison in Chicago had rotary converters or motor-generator sets, which could change DC to AC and AC to various frequencies in the early to mid-20th century.

* Commonwealth Edison, now part of Exelon

In 1912, Commonwealth Edison developed a system of telemetry to monitor electrical loads on its power grid.

* Commonwealth Edison ( coal-fired powerplant )

The Supreme Court of the United States held in Commonwealth Edison Co. v. Montana, 453 U. S. 609 ( 1981 ), that in the absence of federal law to the contrary, states may set ecotaxes as high as they wish without violating the Commerce Clause or the Supremacy Clause of the United States Constitution.

When Arthur was six years old, the family moved to Riverside, Illinois, as his father took a job as managing engineer with Commonwealth Edison Company.

He was President of Commonwealth Edison, CEO of US Freightways, on the board of directors of Odetics ITS, and on the board of directors of Dade Behring.

* Commonwealth Edison ( 1954 )

Samuel Insull, President of the Commonwealth Edison Co. ( Electrical Review, Volume 56-pub.

In 1907, Insull's two companies formally merged to create the Commonwealth Edison Co. As more people became connected to the electric grid, Insull's company, which had an exclusive franchise from the city, grew steadily.

His Chicago area holdings came to include what is now Federal Signal Corporation, Commonwealth Edison, Peoples Gas, and the Northern Indiana Public Service Company, and held shares of many more utilities.

Together the two companies arranged for a radio station to be built in Chicago which would be operated jointly by Commonwealth Edison and Westinghouse.

NSTAR was formed in 1999 by the merger of BEC Energy and Commonwealth Energy System and currently has the following operating units: Boston Edison Company, Cambridge Electric Light Company, Commonwealth Electric Company, and NSTAR Gas Company ( formerly Commonwealth Gas and Cambridge Gas Company ).

In 1962, the corps bought a set of high quality bugles from the Commonwealth Edison Drum and Bugle Corps.

* 1903: Commonwealth Edison Fisk Street Station opens in Chicago, using 32 Babcock and Wilcox boilers driving several GE Curtis turbines, at 5000 and 9000 kilowatts each, the largest turbine-generators in the world at that time.

Commonwealth Edison ( commonly known as ComEd ) is the largest electric utility in Illinois, serving the Chicago and Northern Illinois area.

For more than 100 years, Commonwealth Edison has been the primary electric delivery services company for Northern Illinois.

The earliest predecessor of Commonwealth Edison was the Isolated Lighting Company, established in early 1881 by George H. Bliss as a subsidiary of Thomas Edison's company to sell small Edison-patented generators and lighting systems, each serving one building or several nearby buildings.

In 1907, Chicago Edison combined with Commonwealth Electric to form Commonwealth Edison Company.

In 2000, then-ComEd parent Unicom Corporation merged with PECO Energy to form Exelon Corporation, which now owns both Commonwealth Edison and Philadelphia-area utility PECO ( formerly Philadelphia Electric Company ).

Rugby Sevens was introduced into the Commonwealth Games in 1998 and is due to be added to the Olympic Games by 2016.

" He added that he would rather endure her tears, however, than remain silent and " betray my Commonwealth ".

Extra land was transferred from Commonwealth to State Government control, and added to the national park in 1979 ; the historically important quarantine station at Manly was added in 1984.

The Place Stanislas named after the king of Polish-Lithuanian Commonwealth and duke of Lorraine Stanisław Leszczyński, Place de la Carrière, and Place d ' Alliance were added on the World Heritage Sites list by the UNESCO in 1983.

" The Arms and Great Seal of the Commonwealth Government of the Philippines " was approved in 1935, the number of stripes reduced from thirteen to two and three five-pointed stars added.

After successfully defending his British title, he added the Commonwealth title in 1992 before beating Maurizio Stecca for the WBO Featherweight belt that same year.

But when he was living for a long time in Polish-Lithuanian Commonwealth, he adopted a Polish style " patronymic surname " and also added a nickname indicating his origin.

An expansion to the station added a second entrance and mezzanine across Commonwealth Avenue from the existing mezzanine, with the new entrance located on Cameron Street, across from the nearby Hilton Hotel.

The Commonwealth War Graves Commission in January 1998 added an inscription to the gravestone of " Major Martin " in the Catholic cemetery of Huelva that reads, " Glyndwr Michael served as Major William Martin.

1994 was also the last time Team Sports were excluded, The Commonwealth Games Federation deemed the current set up of ten sports as obsolete and from 1998 allowed team sports such as Rugby Sevens, Basketball, and Hockey to be added.

The following year, the, a Gearing-class destroyer, was added to the fleet and immediately designated as the Commonwealth ’ s official memorial to the Korean and Vietnam Wars.

In the 1990s the states referred many of their powers over children of non-married couples to the Commonwealth, which added this power to the Family Court.

As part of the Commonwealth of Nations, the prefix " Royal " was added until the state was proclaimed a republic in 1956.

The Jaegers were the last to be added to the Commonwealth Bank Trophy doing so in 2004.

The Commonwealth Building was added to the National Register of Historic Places ( as the Equitable Building ) in 1976.

Lieutenant General Sir James Hills-Johnes ( added Johnes after his marriage ) VC, GCB ( 20 August 1833 – 3 January 1919 ) was a Welsh recipient of the Victoria Cross, the highest and most prestigious award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces.

During the January Uprising a similar coat of arms was proposed for the restored Commonwealth, with Archangel Michael, the coat of arms of Ukraine added as the third element.

Completed in 1962 only a few months before Place Ville-Marie, CIBC Tower was the tallest building in Canada and the entire Commonwealth of Nations when it was first built, until being surpassed later that year by Place Ville-Marie where a penthouse was added by the competing Royal Bank for that express purpose.

Other countries, in particular the United Kingdom, permit a service member to receive the relevant United Nations medal and authorization for it to be worn is given by the FCO ( Foreign and Commonwealth Office ), Numerals may be added to denote multiple tours to one mission, the medals are worn in order of award and take precedence alongside British campaign medals.

As the electoral system is majoritarian, the section 7 of Article III of the Puerto Rican constitution s: Constitution of the Commonwealth of Puerto Rico allows for additional members to be added to either chamber to enhance the opposition party's representation.

Jose Maria Sison ( born February 8, 1939, Cabugao, Commonwealth of the Philippines ) is a writer and activist who reorganized the Communist Party of the Philippines and added elements of Maoism to its philosophy.

The entire estate site was added to the National Register of Historic Places as Elm Bank on July 10, 1987, and is currently owned by the Commonwealth of Massachusetts.

The Archbishop of Canterbury, Dr Rowan Williams ; the Prime Minister, Tony Blair ; the Leader of the Opposition, Michael Howard ; the Leader of the Liberal Democrats, Charles Kennedy ; the Leader of the House of Commons, Peter Hain ; and the Prime Ministers of the other Commonwealth Realms also added their congratulations.

In April 2007 Eastman added the Commonwealth belt to the British title with a 12 round points decision over the Kenyan Evans Ashira in Dudley.