Cornelius H. de Lamater

Cornelius H. De Lamater

Cornelius Henry DeLamater (August 30, 1821 – February 2, 1889) was an industrialist who owned DeLamater Iron Works in New York City. The steam boilers and machinery for the ironclad USS Monitor was built in DeLamater's foundry during the Civil War. Swedish marine engineer and inventor John Ericsson considered DeLamater his closest, most intimate friend.