Buoying vessels over shoals
Subtitle: specification forming part of Letters patent no. 6,469, dated May 22, 1849
By: application filed March 10, 1849
Contributors: United States Patent Office
Published: 1849
Language: eng
Subjects: Displacement (Ships); Equipment and supplies; Bulkheads (Naval architecture); Ships
Notes: Caption title.

At head of title: United States Patent Office.

Text printed in two columns.

Reproduction of Abraham Lincoln's application for a patent on his invention to enable boats to pass over bars or through shallow water without discharging their cargo.

Monaghan, J. Lincoln bibliography, 2888

Single sheet printed on both sides; accompanied by a single sheet with an illustration of the device.

Copy 1: Title on illustration:  "Abraham Lincoln. Camel a Floating Dock"

Copy 2: Title on illustration:  "A. Lincoln.  Manner of bouying vessels."