<span>2 typed letters between Paul Paddock of Popular Mechanics and Charles F., Sr., discussing the birth of electric lighting through Brush's arc light </span><span>and the actual date of that event.Charles F. Brush, Sr., PapersSeries 1: CorrespondenceSubseries 3: Business and Professional (1876-1931)Box 5Folder 11</span>

Popular Mechanics, 1927

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