Before beginning the construction, the vertex figure ABCD is obtained by cutting each connected edge at ( in this case ) its midpoint.

Before railway construction on the Continent demanded huge quantities of maleable iron mainly for rails, for which low quality iron sufficed, Wallonia was the only Continental region to follow the British model successfully.

Before the days of blinking electrically lighted road barriers, highway construction zones were marked at night by kerosene fired, pot-bellied torches.

Before construction of the Panama Canal, a stagecoach line owned by Cornelius Vanderbilt's Accessory Transit Company connected the lake with the Pacific across the low hills of the narrow Isthmus of Rivas.

Before the construction of the North Portico, most public events were entered from the South Lawn, which was graded and planted by Thomas Jefferson.

Before major construction could begin Judah traveled back to New York City to raise funds to buy out The Big Four.

Before the advent of VLSI devices, TTL integrated circuits were a standard method of construction for the processors of mini-computer and mainframe processors ; such as the DEC VAX and Data General Eclipse, and for equipment such as machine tool numerical controls, printers and video display terminals.

Before the construction of several tunnels and modern roads that now connect it to Fujisawa, Ofuna and Zushi, on land it could be entered only through narrow artificial passes, among which the seven most important were called, a name sometimes translated as " Kamakura's Seven Mouths ".

Before 1976 the federal tax code favored new construction rather than the reuse of existing, sometimes historical, structures.

Before printed circuits ( and for a while after their invention ), point-to-point construction was used.

Before the construction of Waterloo International terminal in 1990, the vehicles were hoisted individually by the Armstrong lift outside the north wall of Waterloo main line station.

Before the construction of the current Teatro Colón, opera performances were given in several theatres, of which the first Teatro Colón and the Teatro Opera were the most important.

Before the construction of the Clarendon Building, the presses were in the basement of the Sheldonian Theatre, and the compositors could not work when the Theatre was in use for ceremonies.

Before the coming of the mine with construction starting in 1981 the Wopkaimin lived in a subsistence economy.

Before the war a number of 1930s council housing blocks were added to the stock, but it was after the war, partly as result of bomb site redevelopment, that the council housing boom really got into its stride, reaching its peak in the 1960s with the construction of several extensive estates, both by the Metropolitan Borough of Islington and the London County Council.

Before achieving success with his music, Gira worked many jobs in construction and demolition.

Before construction of the Unisphere, three piles were tested for structural integrity and all were found to be sound throughout their entire length.

Before construction could begin on the housing project, the local political climate changed greatly when Norris Poulson was elected mayor of Los Angeles in 1953.

Before the construction of I-90, the city was served by U. S. Route 10, which runs through downtown.

Before the construction of the Betuweroute Highspeed Railway, thorough soil research was performed in 1997.

Before construction of the projected aluminum-extrusion plant could begin, however, it became clear that the war would end soon and that the plant would not be needed.

Before completion of the construction, SAC activated the 351st Strategic Missile Wing at Whiteman on Feb. 1, 1963.

Before the construction of Fort Johnston, British settlements along the Carolina coast lacked fortifications to protect them against pirates and privateers, and numerous Spanish attackers exploited this weakness.

Before the post office was established in 1912, Reedsport was a camp for railroad construction workers.

Before its construction, according to local legend, court was held in a flea-infested abandoned stable.

Before the closing of the acquisition, NYSE Euronext announced that the AMEX would be integrated with the Alternext European small-cap exchange and renamed the NYSE Alternext U. S.

Before 1938, the federal courts, like almost all other common law courts, decided the law on any issue where the relevant legislature ( either the U. S. Congress or state legislature, depending on the issue ), had not acted, by looking to courts in the same system, that is, other federal courts, even on issues of state law, and even where there was no express grant of authority from Congress or the Constitution.

Before anime began to be licensed in the U. S., fans who wanted to get a hold of anime would leak copies of anime movies and subtitle them to exchange with friends in the community, thus marking the start of fansubs.

A popular graffito of the 1970s was the legend " Dick Nixon Before He Dicks You ", reflecting the hostility of the youth culture to that U. S. president.

Before Guam's inclusion, calling the U. S. required dialing the international 011 first, thus resulting in higher long distance rates and less frequent calls to the U. S. by relatives in Guam.

Before joining NASA as a member of the first group of scientist-astronauts in June 1965, he worked at the U. S. Geological Survey's Astrogeology Center at Flagstaff, Arizona, developing geological field techniques that would be used by the Apollo crews.

These were interrupted by service in the U. S. Army Signal Corps during World War II, where he worked as a codebreaker and participated in the landing at Casablanca. Before leaving for Europe in 1943, Greenberg married Selma Berkowitz, whom he had met during his first year at Columbia.

Some Louisiana urban environments have a multicultural, multilingual heritage, being so strongly influenced by an admixture of 18th century French, Spanish, Native American ( Indian ) and African cultures that they are considered to be somewhat exceptional in the U. S. Before the American influx and statehood at the beginning of the 19th century, the territory of current Louisiana State had been a Spanish and French colony.

Before becoming an astronaut, Armstrong was an officer in the U. S. Navy and served in the Korean War.

Before he became widely known as an astronaut, the film Air Cadet ( 1951 ) starring Richard Long and Rock Hudson briefly featured Grissom early in the movie as a U. S. Air Force candidate for flight school at Randolph Field, San Antonio, Texas.

Before the Compromise: < ul >< li > California Gold Rush | Gold Rush California applies to become free state < li > Southern United States | South wanted Southern California as slave territory < li > Texas claims territory as far as the Rio Grande < li > U. S. provisional government of New Mexico | New Mexico resists Texas, applies to be free state < li > Texas takes El Paso, Texas | El Paso February 1850 < li > Mormon pioneers apply to become State of Deseret </ ol >

Before statehood he represented Virginia in the Continental Congress ( 1777 – 78 ) and the U. S. Congress ( 1789 – 91 ).

Before the Communications Act of 1934 was enacted as law by the U. S. Congress, there was a debate over commercial versus non-commercial broadcasting: Senators Robert Wagner of New York and Henry Hatfield of West Virginia offered an amendment to the then proposed Communications Act.

Before the signing ceremony of the Sarbanes – Oxley Act, President George W. Bush met with Senator Paul Sarbanes, U. S. Secretary of Labor | Secretary of Labor Elaine Chao and other dignitaries in the Blue Room ( White House ) | Blue Room at the White House on July 30, 2002

Before serving in the U. S. Senate, Coats was a member of the United States House of Representatives, representing Indiana's 4th congressional district from 1981 to 1989.

:: Example: Before 1997, the IDEA was silent on the subject of private school reimbursement, but courts had granted such reimbursement as “ appropriate ” relief under principles of equity pursuant to 20 U. S. C.

Before the Black Hawk War, U. S. policy discouraged intertribal warfare.

Before the film's release, Warner showed a preview cut to U. S. President Richard Nixon, who recommended substantial changes, including the removal of two songs that struck him as veiled criticisms of the ongoing Vietnam War.

Before Nicholls left in the summer of 1815, he left the fort in the hands of fugitive slaves and Seminoles whom he had originally recruited for possible incursions into U. S. territory during the war.

Before the Japanese attack on Pearl Harbor and the subsequent entry of the United States into World War II, the U. S. House of Representatives held hearings on the legality of wiretapping for national defense.

Before the new highway was built, U. S. Highway 75 followed Galveston Road ( now mostly State Highway 3 ), Broadway Street, and Harrisburg Boulevard into downtown Houston.

Before Interstate 65 was constructed, the main route between Nashville, Tennessee and Birmingham, Alabama was U. S. Route 31.

Before interstate highways were constructed, all motorists traveled on regular U. S. highways.