His firm published many editions of Bowditch's Navigator and Blunt's American Coast Pilot.

He wrote the Memoir of the dangers and ice in the North Atlantic Ocean (1845), The Way to Avoid the Centre of Our Violent Gales (1868), and Pilot Laws, Harbor and Quarantine Regulations of New York (1869).

The firm closed in 1872 and sold the chart copyrights and plates to the Coast Survey and U.S. Navy Hydrographic Office.

[1] On September 25, 1845, Blunt signed a letter to the editor of the Washington Union, to insert a message in the paper, which said he was the true and only owner of the Nettle, of New York, built in 1884 at Boston, Massachusetts.

Per enrollment at the port of Boston and on July 19, 1844, he became the owner of the Nettle, and that James Calahan was the master or commander.

[13] Ellwood Walter was also a trustee during this time and shared the same interest in seamanship and navigation.