This collection contains patents issued to inventors in Lancaster County. The patents have the technical information about the invention and also drawings and/or blueprints. Some of the patents are for a horse hay rake, pinions, a railroad car brake, and improvements in threshing machines, balancing mill stones, kitchen slicing utensils and a still. Two of the documents are signed by Secretary of State Henry Clay and President Andrew Jackson.
The Heritage of Drumore Collection contains a report and letters pertaining to the Drumore clebratin in 1921 in Drumore Township, Lancaster County, whereupon monuments of Dr. David Ramsey, General John Steele, and Colonel Thomas William Porter were dedicated. Letters are addressed to George Porter, descendant of Col. Thomas Porter.
