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 it was dark as usual I could see that the hall had only recently contained a great many people.

Although Sam Rayburn affects a gruff exterior in many instances, nevertheless he is fundamentally a man of warm heart and gentle disposition.

Although there are many sound reasons for adopting uniform and coordinated fiscal years in Rhode Island, there are also certain difficulties encountered.

Although science has given us more effective materials, preparations from anise, castorbean, colchicum, nux vomica, mustard, fennel, and stramonium are familiar to many for the relief of human ailments.

Although economic and personal circumstances vary widely among those now choosing apartments, Leo J. Pantas, vice president of a hardware manufacturing company, pointed out recently that many apartment seekers seem to have one characteristic in common: a desire for greater convenience and freedom from the problems involved in maintaining a house.

Although the Administration's program cut crop acreage to the lowest point since 1934, farmers, with the help of extra fertilizer and good weather, are getting such high yields per acre that many are being forced to buy new harvesting machines.

Although modern scholars have expressed surprise that `` the simple magic square of three '', a mere `` mathematical puzzle '', was able to exert a considerable influence on the minds and imaginations of the cultured Chinese for so many centuries, they could have found most of the answers right within the square itself.

Although in many frog species, females are larger than males, this is not the case in most species where males are actively involved in territorial defence.

Although it had at first been somewhat established in many colonies, in 1861 it was ruled that, except where specifically established, the Church of England had just the same legal position as any other church.

Although ataxia is not present with all cerebellar lesions, many conditions affecting the cerebellum do produce ataxia.

Although Doubleday achieved minor fame as a competent combat general with experience in many important Civil War battles, he is more widely remembered as the supposed inventor of the game of baseball, in Elihu Phinney's cow pasture in Cooperstown, New York, in 1839.

Although Romanticism and Neoclassicism were philosophically opposed, they were the dominant European styles for generations, and many artists were affected to a greater or lesser degree by both.

Although not as accurate by themselves as STOs, combinations of many Gaussians can attain the accuracy of hydrogen-like orbitals.

Although he was not an innovator, he would not follow the absolute letter of the law ; rather he was driven by concerns over humanity and equality, and introduced into Roman law many important new principles based upon this notion.

Although the authenticity of this epigram was accepted for many centuries, it was probably not composed for Agathon the tragedian, nor was it composed by Plato.

Although metics had no direct political influence many were wealthy business owners who could, and sometimes did, influence policy by not allowing their citizen employees time off to attend the assembly, as well as having the simple expedient of wealth.

Although many other chemists have repeated this advice, IUPAC and most chemistry texts still favour the usage of allotrope and allotropy for elements only.

" Although heterogeneous, the major CAM systems have many common characteristics, including a focus on individualizing treatments, treating the whole person, promoting self-care and self-healing, and recognizing the spiritual nature of each individual.

Although game reports and social reactions are common parts of many A & E contributions, it has also, over the years, become a testing ground for new ideas on the development of the RPG as a genre and an art form.

Although still actively involved in running his many businesses, Carnegie had become a regular contributor to numerous magazines, most notably the Nineteenth Century, under the editorship of James Knowles, and the influential North American Review, led by editor Lloyd Bryce.

Although there are many other acropoleis in Greece, the significance of the Acropolis of Athens is such that it is commonly known as " The Acropolis " without qualification.

Although the Falcons selected many good players in those drafts, they still were not able to win right away.

Although most cultural systems of astrology share common roots in ancient philosophies that influenced each other, many have unique methodologies which differ from those developed in the West.

Although modern analytical chemistry is dominated by sophisticated instrumentation, the roots of analytical chemistry and some of the principles used in modern instruments are from traditional techniques many of which are still used today.