Although an explanation for the phenomenon was not provided until 1919, duralumin was one of the first " age hardening " alloys to be used, and was soon followed by many others.

Although essential amenities, such as running water, furniture and a limited ration of food were provided, luxury items were often forbidden.

Although she was provided with private art lessons, Potter preferred to develop her own style, particularly favouring watercolour.

Although the history of the Big Apple was once thought a mystery, research over the past two decades, primarily by amateur etymologist Barry Popik and Gerald Cohen of Missouri University of Science and Technology, has provided a reasonably clear picture of the term's history.

Although their work was controversial, the American Apollo Moon landings, which were in progress at the time, provided supportive evidence by recognizing the rate of impact cratering on the Moon.

Although WMAP provided very accurate measurements of the great angular-scale fluctuations in the CMB ( structures about as broad in the sky as the moon ), it did not have the angular resolution to measure the smaller scale fluctuations which had been observed by former ground-based interferometers.

Although this provided attenuation of radio signals over a broad range of frequencies, the researchers found that it did not alter the subject's remote viewing capability.

Although the fund provided Wheelock ample financial support for the Charity School, Wheelock had trouble recruiting Indians to the institution, primarily because its location was far from tribal territories.

Although contemporary historians vilified Domitian after his death, his administration provided the foundation for the Principate of the peaceful 2nd century.

Although not traditionally played in Canada as it is in Japan, it provided a link to the " homeland ".

Although the German government tried to issue as many of its members as possible with military uniforms of all sort, ranging from field gray to camouflage, these could not be provided to all its members, thus many members of the Volkssturm wore makeshift paramilitary uniforms or uniforms from their civilian jobs ( such as train conductors of the Reichsbahn ).

Although Zurvanism had died out by the 10th century the critical question of the " twin brothers " mentioned in Yasna 30. 3 remained, and Haug's explanation provided a convenient defence against Christian missionaries who disparaged the Parsis ( Indian Zoroastrians ) for their ' dualism '.

Although siblinghood is symmetric ( if A is a sibling of B, then B is a sibling of A ) and transitive on any 3 distinct people ( if A is a sibling of B and C is a sibling of B, then A is a sibling of C, provided A is not C ( Note that " is a sibling of " is NOT a transitive relation, since A R B, and B R A implies A R A by transitivity )), it is not reflexive ( A cannot be a sibling of A ).

Although flawed, Kempe's original purported proof of the four color theorem provided some of the basic tools later used to prove it.

Although silk was a somewhat expensive medium to paint upon in the past, the invention of paper during the 1st century AD by the Han court eunuch Cai Lun provided not only a cheap and widespread medium for writing, but also a cheap and widespread medium for painting ( making it more accessible to the public ).

Although hated by the educated in Herat and often accused of human rights abuses, Ismail Khan's regime provided security, paid government employees, and made investments in public services.

Although the first competition had separate sections for Inform and TADS games, subsequent competitions have not been divided into sections and are open to games produced by any method, provided that the software used to play the game is freely available.

Although this offered great opportunities, he recalls in his autobiography that the only equipment provided to him was a blackboard and piece of chalk.

Although later traditions provided details of his reign and death, Kenneth's father Alpin is not listed as among the kings in the Duan Albanach, which provides the following sequence of kings leading up to Kenneth:

Although the nationalistic fervor sweeping French West Africa at this time was largely absent in Mauritania, continuous politicking ( averaging one election every eighteen months between 1946 and 1958 ) provided training for political leaders and awakened a political consciousness among the populace.

Although at present the majority of M & A advice is provided by full-service investment banks, recent years have seen a rise in the prominence of specialist M & A advisers, who only provide M & A advice ( and not financing ).

Although officially denied by the Nigerian government, Nigeria is known to have also provided secret military training at the Kaduna first mechanized army division and provided other material support to Joshua Nkomo and Robert Mugabe's guerrilla forces during the Rhodesian Bush War ( Renamed Zimbabwe in 1979 ) of independence against white minority rule of Prime Minister Ian Douglas Smith which was armed and financed by the regime in South Africa.

Although not specifically Wiccan, one branch of traditional Witchcraft has provided a home for many Neo-Pagan LGBT men and women.

Although exports have provided substantial revenue, self-sustained growth and a more egalitarian distribution of income have proven elusive.

Although Dominic and the early brethren had instituted female Dominican houses at Prouille and other places by 1227, some of the brethren of the Order had misgivings about the necessity of female religious establishments in an Order whose major purpose was preaching, a duty in which women could not traditionally engage.

Although none of the major opera houses "... use traditional, Broadway-style sound reinforcement, in which most if not all singers are equipped with radio microphones mixed to a series of unsightly loudspeakers scattered throughout the theatre ", many use a sound reinforcement system for acoustic enhancement, and for subtle boosting of offstage voices, child singers, onstage dialogue, and sound effects ( e. g., church bells in Tosca or thunder effects in Wagnerian operas ).

Although the new licensing laws prevented new beer houses from being created, those already in existence were allowed to continue and many did not close until nearly the end of the 19th century.

Although most of the country consists of sand deserts, a small part of the country houses different vegetation zones, where trees, reeds and shrubs like tamarind, phragmites, and mace can grow.

Although targets of exploration vary from one country to another, high-profile abandonments include amusement parks, grain elevators, factories, power plants, missile silos, fallout shelters, hospitals, asylums, schools, poor houses, and sanatoriums.

Although Austrian artillery destroyed many houses and the main church of the city, the city did not surrender and the Austrian army left after eight days.

Although the Cistercians originally regarded themselves as the " perfect ", reformed Benedictines, they distinguished themselves from the monks of Benedictine houses by wearing white habits instead of black.

Although he was never made a partner, Griffin oversaw the construction on many of Wright's noted houses including the Willits House in 1902 and the Larkin Administration Building built in 1904.

Although the Houstons had numerous houses, they kept only one continuously, Cedar Point ( 1840 – 1863 ) on Trinity Bay.

Although the building no longer houses the headquarters of the Transamerica Corporation, it is still strongly associated with the company and is depicted in the company's logo.

Although the Bouffes-Parisiens played to full houses, the theatre was constantly on the verge of running out of money, principally because of what his biographer Alexander Faris calls " Offenbach's incorrigible extravagance as a manager ".

Although many Toda have abandoned their traditional distinctive huts for concrete houses, a movement is now afoot to build tradition barrel-vaulted huts and during the last decade forty new huts have been built and many Toda sacred dairies renovated.

Although Sumerian cylinder seals depict reed houses, the courtyard house was the predominant typology, which has been used in Mesopotamia to the present day.

Although there were only a few houses and a gas station on the one-mile ( 1. 6 km )- square parcel of land when it was subdivided to build inexpensive houses for agricultural workers, Surprise has experienced tremendous growth in the years since .< ref >

Although originally low-cost housing, Silicon Valley's housing prices shot up dramatically as many houses that were formerly lowly priced became multi-million dollar homes.

Although most of the town is either houses or cornfields, there are many other features to this small, quiet town.

Although most of the town is either houses or cornfields, there are many other features to this small, quiet town.

Although Castle Howard was built near the site of the ruined Henderskelfe Castle, it is not a true castle, but this term is often used for English country houses constructed after the castle-building era ( c. 1500 ) and not intended for a military function.

Although unincorrperated, the village offered a blacksmith, shoe shop, carpenter, general store, grist mill, school, post office, and several houses.

Although its major growth was after the Civil War, it has some surviving antebellum houses in the city and region.

Although the seafood industry is now much diminished and the shucking houses and processing plants replaced by up-scale housing, Tilghman's Island remains an interesting and enjoyable place to visit -- out in the Bay at the end of a long peninsula.

) Although the year-round population is only about 2, 000 people, its population increases tremendously in the summer, as many houses on the Vineyard are owned by summer residents.

Although the mines have long since closed down, the town still sports many large houses and mansions built by the wealthy mine owners.