In 1797, with Robert R. Livingston and John Stevens, he agreed to build a boat on joint account, for which the engines were to be constructed by Roosevelt, and the propelling agency was to be that planned by Livingston.
In 1797, along with Robert R. Livingston and John Stevens, he consented to construct a boat on joint account, where Roosevelt would build the engines, and Livingston's plan for propulsion would be implemented.