Letters of reference and testimony in behalf of Captain John S. McMillin.
War orders to the steamer Silver Wave, Capt. J.S. McMillin, commander.
Petitions for reimbursement for services by and repairs to the Silver Wave.
U.S. Patent Office documents relative to J.S. McMillin's "Improvement in applying steam power to the capstan of steamboats..." 1866-1867
Court decrees, briefs, injunction, etc. relative to infringements of steam capstan patent
Correspondence re steam capstan patent. Feb. 7, 1876- Feb.12, 1876