Browse Items (21 total)

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

Poems, 1814-1817 including a long narrative entitled "The Lay of the Cumberland" and 13 other poems. Also contains a letter to the editor of the "Analectic Magazine," dated Bedford, October 1814 and a page of "Indian names." The author is identified…

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…

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

Membership certificate for a mutual aid society for sailing ship pilots established in Philadelphia in 1788. A large central oval contains a scene on the Delaware Bay showing sailing ships and the lighthouse at Cape Henlopen. To the right of the…

This is the travel diary of an anonymous man who might have been a surveyor or land developer. He described the land he saw during his travels and meticulously recorded acreage and locations of trees. He also repeatedly mentioned "Huntsman's…

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…

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