Until the introduction of gunpowder into western warfare artillery depended upon mechanical energy to operate and this severely limited the kinetic energy of the projectiles while also requiring the construction of very large apparatus to store sufficient energy.

Until the late 1970s, the First Committee was the Political and Security Committee ( POLISEC ) and there was also a sufficient number of additional " political " matters that an additional, unnumbered main committee, called the Special Political Committee, also sat.

Until 1875 wheat was imported as it was not grown in sufficient quantities to supply local demand ; by 1903 the country supplied all its own needs and exported of wheat, enough to sustain 16, 000, 000 people.

Until he had gained sufficient knowledge of the law, he had no right to interpret it ; he pointed out that such knowledge " demanded mastery of an artificial reason ... which requires long study and experience, before that a man can attain to the cognizance of it ".

Until the late 19th century, the different varieties of Cheshire cheeses were aged to a sufficient level of hardness to withstand the rigours of transport ( by horse and cart, and later by boat ) to London for sale.

Until extremely close ridings were decided on the west coast, it appeared as though the Liberals ' seat total, if combined with that of the left-wing New Democratic Party ( NDP ), would be sufficient to hold a majority in the House of Commons.

# Until modern times, intuitive, rational thought was sufficient to describe the world ; mathematics remained an adjunct, simply helping to make our intuitive descriptions more precise.

Until LAUSD established sufficient capacity in the area during the immediate post-World War II period, Culver City-based Betsy Ross Elementary, now closed, was actually the largest single feeder to the then 7 – 12th grade high school.

Until the mid-1920s, the LMS had followed the Midland Railway's small engine policy, which meant that it had no locomotives of sufficient power for its expresses on the West Coast Main Line.

Until recently the presence of Councilman bodies in a liver biopsy was thought to be sufficient evidence for a diagnosis of yellow fever.

Until then, monads had proven sufficient for most problems requiring the combination of program logic in pure code.

Until 1951, the line had had constant fares since 1939 ; a 27 percent fare increase in 1951 was not sufficient to cover the 170 percent cost increase in the same period.

Until these experiments, atomic number was not known to be a physical and experimental quantity.

Until his death in 1848, Muhammad Ali Pasha instituted a number of social and economic reforms that earned him the title of founder of modern Egypt.

The label agreed to let Parton sing country music after her composition, " Put It Off Until Tomorrow ," as recorded by Bill Phillips ( and with Parton, uncredited, on harmony ), went to number six on the country music charts in 1966.

Until 1962, the martial law continued while Field Marshal Ayub Khan purged a number of politicians and civil servants from the government and replaced them with military officers.

Until recently, before the accession of Free Mobile in Junary 2012, the number of physical mobile phone operators was very limited.

Until this point, they are easily confused with mudpuppies, and can be differentiated often only through toe number.

Until Pope Pius X reduced in 1911 the number of Holy Days of Obligation to 8, there were in the course of the year 36 such days, apart from Sundays.

Until 1861 the militia were an entirely infantry force, but in that year a number of county regiments were converted to artillery.

Until the New Orleans Saints and Indianapolis Colts qualified for Super Bowl XLIV, this was the last time that both number one seeds advanced to the Super Bowl.

Until the mid-1980s, television programming in most countries of the world was dominated by a small number of broadcast networks.

In the early 1970s Jones had a number of hit singles, including " She's a Lady ", " Till ", and " The Young New Mexican Puppeteer ", but in the mid 1970s his popularity declined although he did have a big hit in 1976 with " Say You'll Stay Until Tomorrow " which went to No. 1 on the US country chart and No. 15 on the Billboard Hot 100.

Until relatively recently, the Japan Sumo Association had no restrictions at all on the number of foreigners allowed in professional sumo.

Until the 16th century, the Low Countries – roughly now corresponding to Netherlands, Belgium and Luxembourg – consisted of a number of duchies, counties and bishoprics, most of which were under the supremacy of the Holy Roman Empire.

Until a few decades previously, the ship operated under another name as a normal GSV, providing a habitat for a vast number of Culture citizens.

Until about 1800, in the case of both the orange-and the red-striped versions, the number of stripes and their order frequently varied.

Until the 19th century it was largely rural, with a small village centre ( now Walthamstow Village — see below ) and a number of large estates.

Until 2006 it housed a number of City offices, but was vacated that year due to safety concerns and condemned.

Until recently, the number of weekend incidents in Ridgeley continued to rise despite a higher-than-state-average police force for its population.

* Until a termination criterion is met ( e. g. number of iterations performed, or adequate fitness reached ), repeat the following:

Until the middle of 1943, the Germans managed to settle 80, 000 colonists, the number increased by a couple of thousand more in 1944.

Until the 1970s, the coldest parts of Canada reported the original Wind Chill Index, a three or four digit number with units of kilocalories / hour per square meter.

Until the 20th century, there was no clear record of the number of Venezuelans who emigrated to the United States.

Until the early 1970s telephone exchanges were commonly referred to by name instead of by number.

Until 1975 the wat was a royal temple under the patronage of the royal family and the Lao kings were crowned in the wat.

Until early of 2000s, Lao Airlines changed to be 100 % owned by Lao government and the name was changed to Lao Airlines in early 2003.

Until this point, no set of guidelines for pilots and aircraft designers existed.

Until 1974, he served at the College as a pilot-instructor and was responsible for the graduation of twelve student pilots.

Until the 1960s the service predominantly hired aircraft, pilots and service technicians from contractors.

Until 1944, ATC also drew heavily on the airlines for manpower, using experienced civil airline pilots, radio operators, and other aircrew personnel from the airlines to crew transports that had been purchased by the Army from civilian sources.