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Details of furnace and expansion tube from Perkins' 1838 Patent
Details of furnace and expansion tube from Perkins' 1838 Patent
Portrait of Perkins by Thomas Edwards (printed by Pendleton's Lithography), 1826
Portrait of Perkins by Thomas Edwards (printed by Pendleton's Lithography), 1826
The Perkins D Cylinder Printing Press
The Perkins D Cylinder Printing Press