Further information from the biography of George C Witt of Cincinnati in "Cincinnati, the Queen City 1788-1912 Volume 3" published by S J Clarke. A free ebook on Google books "After leaving college he learned the roofing and cornice business with his uncle who was a member of the firm Dunn and Witt" This nephew George late founded and was President of the Witt Cornice Company, tin and slate roofers. The company also manufactured ornamental copper and galvanized iron cornices, window caps, door caps and sky-lights etc. Jane