Although the tape was run for over 1 hr., a steady state was not reached, and it was concluded that the reason for this was that the back pressure of the manometer was built up from the material fed from between the blocks and this was available at a very slow rate.

Although Cambria Iron and Steel's facilities were heavily damaged by the flood, they returned to full production within a year .. After the flood, Carnegie built Johnstown a new library to replace the one built by Cambria's chief legal counsel Cyrus Elder, which was destroyed in the flood.

Although large Chinese bridges of wooden construction existed at the time of the Warring States, the oldest surviving stone bridge in China is the Zhaozhou Bridge, built from 595 to 605 AD during the Sui Dynasty.

Although Basic English was not built into a program, similar simplifications have been devised for various international uses.

Although high-end computers may be bought retail in the same manner as the common computer, they are frequently built by their owners.

Although the Attlee Government failed to meet its targets, primarily due to economic constraints, over a million new homes were built between 1945 and 1951 ( a significant achievement under the circumstances ) which ensured that decent, affordable housing was available to many low-income families for the first time ever.

Although Cantor himself defined the set in a general, abstract way, the most common modern construction is the Cantor ternary set, built by removing the middle thirds of a line segment.

Although classical liberalism built on ideas that had already developed by the end of the 18th century, it advocated a specific kind of society, government and public policy as a response to the Industrial Revolution and urbanization.

Although the Ann McKim was the first large clipper ship ever constructed, it cannot be said that she founded the clipper ship era, or even that she directly influenced shipbuilders, since no other ship was built like her ; but she may have suggested the clipper design in vessels of ship rig.

Although many clipper ships were built in the mid-19th century, Cutty Sark was, perhaps until recently, the only survivor.

Although most of the instruments built before the 1730s were small ( four octaves, four feet long ), the latest instruments were built up to seven feet long with a six octave range.

Although Eusebius does not say as much, the temple of Aphrodite was probably built as part of Hadrian's reconstruction of Jerusalem as Aelia Capitolina in 135, following the destruction of the Jewish Revolt of 70 and the Bar Kokhba revolt of 132 – 135.

Although Babbage's design was technically feasible, no one had built a mechanical device to such exacting standards before, so the engine proved to be much more expensive than anticipated.

" Although new dormitories have been built since, the number of students has also increased and the D-Plan remains in effect.

Although deriving much of its semantics from Scheme and other Lisps — some implementations were in fact initially built within existing Lisp systems — Dylan has an ALGOL-like syntax rather than a Scheme-like prefix syntax.

Although, originally, educational measurement methods were built on classical test theory, item response theory and Rasch models are now used extensively in educational measurement worldwide.

Although the Romans had failed to conquer Caledonia they attempted to maintain control through military outposts and built a few roads.

Although the use of water power gave way to steam power in many of the larger mills and factories, it was still used during the 18th and 19th centuries for many smaller operations, such as driving the bellows in small blast furnaces ( e. g. the Dyfi Furnace ) and gristmills, such as those built at Saint Anthony Falls, which uses the 50-foot ( 15 m ) drop in the Mississippi River.

Although shown and advertised, very few V-Twin models were built between 1907 and 1910.

Although some sections of road have been built using private or public-private funds, and are operated as toll roads, they are owned by the Government of Ireland.

Although Kenilworth's great tower is larger, it is similar to that of Brandon Castle near Coventry ; both were built by the local Clinton family in the 1120s.

Although older than both Boulton and Darwin, by 1758 Whitehurst was writing to Boulton telling excitedly of a pyrometer he had built, and looking forward to visiting Birmingham " to spend one day with you in trying all necessary experiments ".

Although the proposal was ridiculed and came to nothing ( and would almost certainly have failed if it had been built, due to the shortcomings of the technology proposed ), Pearson continued to lobby for a variety of railway schemes throughout the 1840s and 1850s.

Although Whorf's approach to understanding the Maya script is now known to have been misguided, his central claim that the script was phonetic and should be deciphered as such was vindicated by Yuri Knorozov's syllabic decipherment of Mayan writing in the 1950s.

Although conservatism in politics was strong during the 1950s and Eisenhower generally shared these sentiments, his administration concerned itself mostly with foreign affairs ( an area that the career military president was more knowledgeable about ) and pursued a hands-off domestic policy.

Although ion engines had been developed at NASA since the late 1950s, with the exception of the SERT missions in the 1960s, the technology had not been demonstrated in flight.

Although his stature as a director had declined during the 1950s, his films underwent a revival in the 1960s:

Although he is known today for his performances in Singin ' in the Rain and An American in Paris, he was a dominant force in Hollywood musical films from the mid 1940s until this art form fell out of fashion in the late 1950s.

Although Holden's involvement in exports has fluctuated since the 1950s, the declining sales of large cars in Australia has led the company to look to international markets to increase profitability.

Although the idea was conceived in the 1950s, the design of good hash functions is still a topic of active research.

Although Chomsky's theory of a generative grammar has been popular with some linguists since the 1950s, many criticisms of the basic assumptions of generative theory have been put forth by cognitive-functional linguistics, who argue that language structure is created through language use.

Although the phenomenon was initially and most frequently reported in the 1950s and 1960s, some researchers – John Keel and others – have suggested similarities between Men in Black reports and earlier demonic accounts.

Although this proved incorrect, it was a link he continued to explore until the early 1950s.

Although developmental debates took place within the Workers ' Party of Korea in the 1950s, North Korea, like all the postwar communist states, undertook massive state investment in heavy industry, state infrastructure and military strength, neglecting the production of consumer goods.

Although pan-Arabism began at the time of World War I, Egypt, the most populous and arguably most important Arabic-speaking country, was not interested in pan-Arabism prior to the 1950s.

Although a small number of Rickenbacker acoustics were sold in the 1950s and were seen in the hands of stars like Ricky Nelson and Sam Cooke, the company concentrated on their electric guitar and western steel guitar business from the early 1960s onward.

Although in the 1950s British colonial officials attempted, through various administrative development efforts, to make up for past neglect, the protectorate stagnated.

Although the Mattachine Society had existed since the 1950s, many of their methods now seemed too mild for people who had witnessed or been inspired by the riots.

Although the term " Unicode " had previously been used for other purposes, such as the name of a programming language developed for the UNIVAC in the late 1950s, and most notably a universal telegraphic phrase-book that was first published in 1889, Becker may not have been aware of these earlier usages, and he explained that " he name ' Unicode ' is intended to suggest a unique, unified, universal encoding ".

Although the first computer games appeared in the 1950s, they were based around vector displays, not analog video.

Although spy cameras small enough to fit inside a pocket-watch had existed since the 1880s, advances in miniaturization and electronics since the 1950s have greatly aided the ability to conceal miniature cameras, and the quality and affordability of tiny cameras ( often called " spy cameras " or subminiature cameras ) has now greatly increased.

Although tiltrotors such as the Focke-Achgelis Fa 269 of the mid-1940s and the Centro Técnico Aeroespacial " Convertiplano " of the 1950s reached testing or mock-up stages, the V-22 Osprey is considered the world's first production tiltrotor aircraft.

Although liberation theology has grown into an international and inter-denominational movement, it began as a movement within the Roman Catholic church in Latin America in the 1950s – 1960s.

Although Atlético Madrid, previously known as Atlético Aviación, were champions in 1950 and 1951 under catenaccio mastermind Helenio Herrera, the 1950s saw the beginning of the Barcelona / Real Madrid dominance.

Although the word hippies made isolated appearances during the late 1950s and early 1960s, the first clearly contemporary use of the term appeared in print on September 5, 1965, in the article, " A New Haven for Beatniks ", by San Francisco journalist Michael Fallon.

Although the California Zephyr ran at full capacity and turned a modest profit from its 1949 inception through the late 1950s, by the mid-1960s the train was profitable only during the late spring, summer, and fall.

Although liberation theology has grown into an international and inter-denominational movement, it began as a movement within the Catholic Church in Latin America in the 1950s – 1960s.

Although he spent relatively little time there due to his career, Stevenson did consider the farm to be his home, and in the 1950s he was often called " The Man from Libertyville " by the national news media.