Question: By what name was the city, in which the company Prior Radiofabrikk was located, known from 1877 until 1925 ?

Context paragraphs:
Downtown Sanford Historic District: Downtown Sanford Historic District is a national historic district located at Sanford, Lee County, North Carolina.  It encompasses 53 contributing buildings in the central business district of Sanford.  The district includes notable examples of Colonial Revival, Tudor Revival and Art Deco style architecture, with buildings largely dated between about 1895 to 1930.  Located in the district are the separately listed Railroad House and Temple Theatre.  Other notable buildings include the Sanford Buggy Company (c. 1908), McCracken Building (c. 1910), Passenger Depot (c. 1900), City Hall (c. 1909), Coca-Cola Bottling Company (c. 1908), Masonic Lodge (c. 1924), Makepeace Building (1924), Wilrick Hotel (1925), Bowers Building (c. 1925), Cole Pontiac Building (c. 1925), Hubbards Shoe Store (1926), Carolina Hotel (1930), and former U. S. Post Office (c. 1935).

Continental Stove Works: Continental Stove Works, also known as the Buckwalter Stove Company, is a historic factory complex and national historic district located at Royersford, Montgomery County, Pennsylvania.  It consists of 16 contributing buildings and one structure.  The complex was built in two sections: between 1876 and 1924 and 1898 and 1908, some of which are interconnected.  They are generally built of brick with stone foundations.  One of the oldest buildings was built in 1876-1877, and is a 5 1/2-story, brick warehouse measuring 50 feet wide and 96 feet long.  Another was also built in 1876-1877, and is a two-story brick building measuring 39 feet by 50 feet.  The office building was also originally built in 1876-1877, and subsequently expanded to its present three-story size by 1923.  The complex housed a number of regionally important producers of stoves during the late-19th and early-20th century.  After the regional stove manufacturing industry collapsed during the Great Depression, the complex was occupied by a number of warehouses.

Dubuque Casket Company: The Dubuque Casket Company is a historic building located in Dubuque, Iowa, United States.  The city was a leading national market in the production of caskets towards the end of the 19th century.  This location had been the site of a casket manufacturing plant from 1877 to 1987.  The Dubuque Furniture and Burial Case Company was the first firm in Dubuque and the first to locate here.  The building was largely destroyed by fire in 1883 and the company was forced out of business.  The Dubuque Casket Company was incorporated in 1893 and acquired this property.  They started construction of the first part of this building the same year.  The four-story brick Neoclassical building was one of the largest manufacturing facilities in Dubuque.  The machine and equipment room was located on the first floor, they manufactured fine cloth covered caskets on the second floor, they manufactured undertaker's dry goods on the third floor, and the fourth floor was used for storage.  The first addition, now known as the center section was begun in 1903, and another expansion that also unified the main facade was begun in 1911.  Two other Dubuque casket manufacturers, Iowa Coffin Company and the Hawkeye Casket Company, were out of business by 1924.

Oslo: Oslo ( , , ] ] ] ) is the capital and the most populous city in Norway.  It constitutes both a county and a municipality.  Founded in the year 1040, and established as a "kaupstad" or trading place in 1048 by Harald Hardrada, the city was elevated to a bishopric in 1070 and a capital under Haakon V of Norway around 1300.  Personal unions with Denmark from 1397 to 1523 and again from 1536 to 1814 and with Sweden from 1814 to 1905 reduced its influence.  After being destroyed by a fire in 1624, during the reign of King Christian IV, the city was moved closer to Akershus Fortress and renamed Christiania in the king's honour.  It was established as a municipality ("formannskapsdistrikt") on 1 January 1838.  Following a spelling reform, it was known as Kristiania from 1877 until 1925, in which year its original Norwegian name of Oslo was restored.

History of Quaker Oats: The Quaker Mill Company of Ravenna, Ohio (founded 1877), which held the trademark on the Quaker name and was acquired in 1901 by Henry Parsons Crowell, who In the 1850s, Ferdinand Schumacher and Robert Stuart founded oat mills.  Schumacher founded the German Mills American Oatmeal Company, in Akron, Ohio and Stuart founded the North Star Mills in Ontario, Canada.  In 1870, Shumacher ran his first known cereal advertisement in the Akron Beacon Journal newspaper.  In Ravenna, Ohio, on 4 September 1877, the first trademark for a breakfast cereal, "a man in 'Quaker garb'", was applied for by Henry Seymour, owner of the Quaker Mill Company.

SS Dorrigo: The SS "Dorrigo" was originally built under the name of "Saint Francois" by the Smiths Dock Company at the South Bank in Middlesbrough on the River Tees in Northeast England for the Pacific Island postal and general trade service for Compagnie Navale de l'Océanie where it plied the waters of the pacific from 1914 to 1921.  It suffered minor damage in WWI during the Bombardment of Papeete prior to the vessel coming into the hands of the Langley Bros who placed it in the Sydney to Coffs harbour route from 1922 to 1925.  Upon the demise of the Langley Bros shipping firm in 1925 the vessel came into the service John Burke and Co and for the Northern Queensland runs prior to its loss on the 4 April 1926

Prior Radiofabrikk: Prior Radiofabrikk was a radio manufacturing company in Oslo, Norway.

Weldon Historic District: Weldon Historic District is a national historic district located at Weldon, Halifax County, North Carolina.  It encompasses 256 contributing buildings, 2 contributing structures, and 9 contributing structures in the central business district and surrounding residential sections of the town of Weldon.  The district includes notable examples of Queen Anne, Colonial Revival, and Bungalow / American Craftsman style architecture.  The district overlaps the Roanoke Canal Historic District.  Notable buildings include the Larkin-Hart House (c. 1871), Ashley L. Stainback House c. (1879), Smith-Dickens House (1901-1902), DeLeon F. Green House (1934) designed by William Lawrence Bottomley, Emry-Zollicoffer Building (1877), Bank of Weldon Building (c. 1895), George C. Green Building/Bank of Halifax Building (1915), Weldon Grocery Company Building (1913), (former) Weldon Town Hall (1893), United States Post Office (1938), Weldon Freight Depot (c. 1840), Coca-Cola Bottling Company (1925), and Atlantic Coast Line Railroad Embankment and Viaduct.

Haven: City of Violence: Haven: City of Violence is a role-playing game created by Louis Porter Jr.  Design.  The game is a neo-noir "role playing game of hyperkinetic action" and was released for sale in 2003.  "Haven: City of Violence" is the first role-playing game ever to be optioned by a movie production company prior to its public release.  Louis Porter Jr. and his company began working on the game in 1998.  They had been developing it for six years when Barry Levine's company, Brigade Entertainment, optioned the movie rights for the game.

Londontown Manufacturing Company, Inc.: Londontown Manufacturing Company, Inc., also known as Meadow Mill, is a historic cotton mill complex located at Baltimore, Maryland, United States.  It is a three-story, Italianate brick structure that features a square tower structure with a truncated spire-like roof having an open bell cupola.  It was erected in 1877 as one of five mills which comprised the Woodberry Manufacturing Company.  It was intended for the manufacture of seine twines.  It was home to London Fog, prior to its move to Eldersburg, Maryland.

Supporting paragraphs: Prior Radiofabrikk Oslo
Answer: Kristiania