Reproduction number: A30 (color slide); LC-MSS-27748-180 (B&W negative) Thomas Jefferson (1743-1826), principal author of the Declaration of Independence and third president of the United States, acquired a tas More
Inscriptions on recto: "Plan. " "September 28th 1808" "28." Delineator: James Smallwood. (Source: The Engineering Drawings of Benjamin Henry Latrobe, New Haven, Conn. : Published for the Maryland Historica More
Drawing shows sections of pipe chamber and elevation of gates for bridge over Harlem River, now known as High Bridge, part of Croton Aqueduct. Notation on recto: "Superseded." Forms part of: Engineering Societ More
Drawing shows section of tunnel with two men working on scaffolding frame. No. 13. Forms part of: Engineering Societies Library Collection (Library of Congress). Accession box no. DLC/PP-1997:086 c1 (d1) f4