| http://www.w3.org/ns/prov#value | - Also included are letters and other documents regarding the London-based National Phonograph Co., Ltd. (NPCo, Ltd.), as well as French, German, and other European-based sales and manufacturing companies loosely controlled from London.Among the correspondents representing NPCo are William E. Gilmore, president (1899-1908) and general manager (1896-1908), and Frank L. Dyer, his successor as presiden
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