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This technical drawing details the construction of a wooden hinged boat.Plans corrected by William B. Spengler assistant engineer, and approved by E. H. Shipman canal superintendent. Full date: December 7, 1909.

This schematic shows the detail plan of a ratchet wheel for a gate lifting device. The material of construction is cast iron. The drawing shows the dimensions of the finished work. Drawing corrected by assistant engineer William B. Spengler and corrected by canal superintendent E. H. Shipman. The full date of this drawing is February 4, 1910.

This schematic shows the detail plan of the coupling for a shaft & stem, 26" wicket. The material of construction is cast iron. The drawing shows dimensions of the finished work. It belongs to the Engineering Division of the Canal Department of the Lehigh Coal and Navigation Company. Drawing corrected by assistant engineer William B. Spengler and corrected by canal superintendent E. H. Shipman. The full date of this drawing is February 2, 1910.

This technical drawing details the encroachment of the Thomas Iron Company on pool number 6 owned by the Lehigh Coal and Navigation Company. The full date of this technical drawing is June 13, 1911.

This schematic shows a lock gate with detailed assembly instructions.

This schematic shows the detail plan of the lever and connections for a reverse mechanism of an engine at launch "Josiah White." It belonged to the Engineering Division of the Canal Department of the Lehigh Coal and Navigation Company. The full date of this drawing is March 2, 1910.

This item is one of several technical drawings detailing the construction of lock number 47, including item numbers 7303 to 7305. Full date of drawing: March 9, 1912.

Full date: February 20, 1909. No signatures present on drawing for correction by Assistant Engineer or approval by Canal Supervisor.

This schematic shows the details of a canal boat and its forging. The material of construction is wrought iron. The drawing shows the details of a bow fender, stern iron, shoe iron and bumper iron. It belonged to the Engineering Division of the Canal Department of the Lehigh Coal and Navigation Company. This drawing was corrected by assistant engineer William B. Spengler and approved by canal superintendent E. H. Shipman.

This schematic shows the detail plan of elevation block for supporting a third rail by the Engineering Division of the Coal Department of the Lehigh Coal and Navigation Company. The material used is yellow pine. The full date of this drawing is January 25, 1910.

This technical drawing detail the construction of the roller log of a drop gate in Dam 4 at Treichlers. Drawing corrected by assistant engineer William B. Spengler, not approved by canal superintendent. Full date of technical drawing: July 18, 1911.

This schematic shows a detailed drawing of a bear trap lock.

This technical drawing details the construction of a concrete waste gate near Allentown, including a bill of materials in the upper right corner. Full date of technical drawing: June 2, 1910.

This item is part of a set of technical drawing detail plans as applied to Lock number 45, including items 7300 and 7302. Full date of drawing: December 5, 1911.

This item is part of a set of technical drawing detail plans as applied to Lock number 45, including items 7300 and 7302. Full date of drawing: December 5, 1911.

This leaf shows the plan of White-Haven in Luzerne County, Pennsylvania at the junction of the Lehigh and Susquehanna railroad with the Lehigh Navigation. The distance from White-Haven to the Wilkes-Barre Basin on the North Branch Canal is shown to be 20 miles and the distance from White-Haven to Easton by the Lehigh Navigation is shown to be 71 miles. In the bottom left corner of the map is a note reading "Lith. of John Collins, No. 79 South Third Street Phila."

This schematic shows the standard detail plan of a shaft for a gate lifting device made of medium steel. The drawing shows dimensions of the finished work. The longitudinal section and the cross section details of the key and key-seat are shown. Drawing corrected by assistant engineer William B. Spengler and corrected by canal superintendent E. H. Shipman. The full date of this drawing is May 26, 1910.

This map displays a hand drawn topography of the area surrounding White haven.

This technical Drawing details the assembly of upper and lower lock gates.

This technical drawing details the construction of the blade for a 40 inch wicket. Drawing corrected by assistant engineer William B. Spengler and approved by canal superintendent E. H. Shipman. Full date of technical drawing: December 10, 1910.

This schematic shows the standard detail plan for a lower bearing box, 26 inch wicket. The material of construction is cast iron. The drawing shows the dimensions of the finished work. It belonged to the Engineering Division of the Canal Department of the Lehigh Coal and Navigation Company. Drawing corrected by assistant engineer William B. Spengler and corrected by canal superintendent E. H. Shipman. The full date of this drawing is January 24, 1910.

This map shows a map of the proposed railroad from the old tunnel to the Lehigh Navigation together with the return track.

This schematic shows a drawing of a revised sea barge with stern, midship, and bow that was revised from 10/18/1907 through 11/11/1907.