Image: Wikiwand
Worth: $61M in 1916 Source: Great Northern Railway
Image: Pinterest
Worth: $50M in 1870 Source: Singer Sewing Company
Image: Wikipedia
Worth: $60M in 1870s Source: Railroads, Banking, Stock Market
Image: Posterazzi
Worth: $50M in 1880s Source: Railroads
Image: IMDb
Worth: $60M in 1900 Source: Newspapers, Magazines, Publishing
Image: Pinterest
Worth: $1.5M in 1870 Source: Textiles Mills
Image: Wikipedia
Worth: $40M in 1880s Source: Armour & Company (Meatpacking company)
Image: Wikipedia
Worth: $100M in 1900 Source: Westinghouse Electric Corporation