November 7, 1909 - Newark Celebrates Boyden
Boyden perfected the process for making patent leather, created malleable iron, invented a nail-making machine, and built his own steamboat. He is also credited with having invented a cut off switch for steam engines and a method for producing zinc from ore.
From Official Guide & Manual of the 250th Anniversary Celebration 1916:
Inverntor of patent leather and malleable iron; factory rear of 30 Orange Street.
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