{"value"=>"<p>This section contains correspondence, business papers, technical reports, drawings, blueprints, photographs, and patent papers created in the course of Sprague's work for these companies, and that undertaken both before the formal creation of these companies and after their dissolution. They relate primarily to the development and exploitation of Sprague's electric streetcar system and the multiple-unit system in the United States and abroad. Included are miscellaneous business, financial, and legal papers (contracts, agreements, lists of stockholders, articles of incorporation, extracts from meeting minutes); copies of Sprague patents, 1884-1904, and others bearing upon his work; patent applications and patent litigation papers; and multiple unit system installation project files. Railroads represented in the project files include the Boston Elevated Railroad, Brooklyn Elevated Railroad, Chicago South Side Elevated Railway, Great Northern and City Railway, Manhattan Railway Company, Metropolitan Railway (London), and the Southern Pacific Railway. The papers of the Société Française Sprague concern the exploitation of his multiple unit system patents in France.</p>"}