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George S. Sandstrom : ウィキペディア英語版 | George S. Sandstrom
During the early 1900s George S. Sandstrom, of Oakland, California, made what is called a Banjo Ukulele, or banjolele. A combination of a ukulele and a banjo, which at the time sold for about $2.00. == Patent and Construction == On 12 December 1917 Sandstrom filed patent application number 206,746. He was awarded patent number 1,354, 268, titled simply "Banjo," on 28 September 1920. * (See Sandstrom's original patent. ) The patent specifications describe Sandstrom's invention, in part, as "...a tightening device for banjo heads and other musical instruments having an open circular rim, a flexible head interposed within the opening of the said rim, an annular lip integral therewith and extending inwardly from the top of said rim, a flat top ring fixedly to the inside circumference of the said rim over which said head is drawn.
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「George S. Sandstrom」の詳細全文を読む
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