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The Philadelphia Mint was created from the need to establish a national identity and the needs of commerce in the United States. This led the Founding Fathers of the United States to make an establishment of a continental national mint a main priority after the ratification of the Constitution of the United States. The Coinage Act of 1792 was entered into law on April 2. It proclaimed the creation of the United States Mint. Philadelphia at that time was the nation's capital; therefore the first mint facility was built there. The Mint Act also instituted a decimal system based on a dollar unit; specified weights, metallic composition and fineness; and required each United States coin feature "an impression emblematic of liberty". ==History== ===First building (1792–1833)=== David Rittenhouse, an American scientist, was appointed the first director of the mint by President George Washington. Two lots were purchased by Rittenhouse on July 18, 1792, at Seventh Street and 631 Filbert Street in Philadelphia for $4,266.67. The next day, demolition of an abandoned whiskey distillery on the property began. Foundation work began on July 31, and by September 7, the first building was ready for installation of the smelting furnace. The smelt house was the first public building erected by the United States government. A three-story brick structure facing Seventh Street was constructed a few months later. Measuring nearly wide on the street, it only extended back . The gold and silver for the mint were contained in basement vaults. The first floor housed deposit and weighing rooms, along with the press room, where striking coins took place. Mint official offices were on the second floor, and the assay office was located on the third floor. A photograph of the Seventh Street building taken around 1908 show that by then the year 1792 and the words "Ye Olde Mint" (in quotes) had been painted onto the facade. Between the smelt house and the building on Seventh Street, a mill house was built. Horses in the basement turned a rolling mill located on the first floor. In January 1816, the smelt and mill houses were destroyed by a fire. The smelt house was never repaired and all smelting was done elsewhere. The mill house, which was completely destroyed, was soon replaced with a large brick building. It included a new steam engine in the basement to power the machinery. Until 1833, these three buildings provided the United States with hard currency. Operations moved to the second Philadelphia mint in 1833, and the land housing the first mint was sold. In the late 19th or early 20th century, the property was sold to Frank Stewart, who approached the city, asking them to preserve or relocate the historic buildings. With no governmental help, the first mint was demolished between 1907 and 1911. Now, only a small plaque remains to memorialize the spot. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Philadelphia Mint」の詳細全文を読む スポンサード リンク
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