Browse Items (21 total)

The volume contains a general discourse on navigation by William M. Hunter of Hamilton Academy (Philadelphia, Pa.).

Railroad map of the central and western U.S. showing rail lines, states, towns, forts, and mountains. Also shows part of Mexico and the Gulf of California. The Union Pacific Railway, later the Kansas Pacific Railway, was chartered in July 1863 as…

Collection of carte-de-visite portraits of the city employees, attired in suits, seated, and one arm resting on a side table. Identified sitters include John H. Dye, surveyor and draughtsman; Jesse Lightfoot, surveyor; Strickland Kneass, chief…

Blank membership certificate for employees of the railroad containing a cabinet card portrait of a young man surrounded by thirteen titled views documenting the activities, benefits, and hazards of life with the railroad. Views include clerks working…

This volume contains mathematical rules, 1754, for calculating longitude. Also contains an advertisement to mariners. Prepared for the Lords of the Admiralty.

Journals of a tour of Benjamin Lightfoot from Reading to Tankhannink Creek, and of surveys of a large tract of land there containing pine timber suitable for masts; topography of the country, Indian relations, frontier life, military posts, means of…

Journals of a tour of Benjamin Lightfoot from Reading to Tankhannink Creek, and of surveys of a large tract of land there containing pine timber suitable for masts; topography of the country, Indian relations, frontier life, military posts, means of…

Benjamin Lightfoot was deputy surveyor of Berks County. These surveys notes covered the areas of Pottsville to Shamokin.

A treatise on navigation and methods of calculating latitude and longitude, written by Robert Patterson, professor of mathematics at the University of Pennsylvania.

Journals and memoranda of Andrew Porter on his surveys of the Pennsylvania boundary line.