The answer of Mr. Sullivan, to the letter and mis-statements of the Hon. Cadwallader D. Colden : as the advocate of the monopoly of steam and fire in navigating the rivers, coasts, and lakes of New York
Second edition, with a summary history of the origin, progress, and laws of the monopoly, the controversies and suits that have arisen ; together with some account of the causes, no longer existing, that have hitherto prevented patentees from the use of their rights on the waters of New York
"The unconstitutionality or limitation of the monopoly demonstrated. The bad policy and injurious effects of it on the community exposed. The legality of an extension of the term of time of a patent when for the good of a state; and the just views and claims of patentees in steam navigation fully explained. Supported by opinion of counsel."
"Tonnage, profits, plans of operation, &c."
Pages 30-32 contain "Mr. Duer's opinion on the claim of Mr. Sullivan as a patentee, to navigate with steam boats, the waters of the state of New-York."