[MILITARY 19TH CENTURY]. WILLETT, Marinus (1740-1830), Mayor of New York. ALS TO AARON BURR, 7 January 1802. 2 pages, 4to, integral address leaf. Willett appeals to President Jefferson to improve New York City's harbor defenses based upon the city's commercial importance and discusses a plan to build a naval base at Long Island. -- WADSWORTH, Decius, First Chief of Ordnance. ADS, n.p., [1818]. 7 pp., folio, stabbed and tied. Wadsworth's lengthy critique of a Senate bill to combine the Ordnance and Artillery departments, insisting on the need to maintain uniformity in arms manufacture and the necessity to control the flow of supplies to preventing waste and excess. -- WADSWORTH. ADS, n.p., [1818]. 3 pp., 4to. Wadsworth proposes an alternative to the Ordnance Department organization created in an 1815 bill. [With:] a printed circular, a congressional act of February 8, 1815, "An act for the better regulation of the Ordnance Department." -- WADSWORTH. Copy ALS to Senator John C. Calhoun, "Ordnance Department," 18 July 1818. 2 pp., 4to. Protesting the policy of loaning public munitions, arguing that it is "impolitic and hazardous." -- WADSWORTH. Copy ALS [to John C. Calhoun], 10 February 1821. 2 pp., 4to. Wadsworth defends himself against charges that he was involved in the loan of munitions implied in a House Committee report "calculated to leave an injurious Impression." -- [NEW YORK CITY, FORTIFICATIONS]. WILLIAMS, Jonathan. Superintendent of West Point. ALS, New York, 1 December 1809. 2 pages, 4to. Williams, grand-nephew of Benjamin Franklin, personally planned and supervised the construction of defenses in New York Harbor. Here, he gives a detailed report on the state of the fortifications, noting: "the ordnance that may be mounted when finished, will be three hundred and four guns and ten mortars without...the State Works at the narrows." Together seven items. (7)