Harmonie, Pennsylvania MapMap of Harmonie, Pennsylvania. Drawn by Wallrath Weingärtner (1795-1873) in 1833. Ink and watercolor on paper.
M. C. W. Brand Chemicals AdvertisementAs the Mallinckrodt Company grew, it continued to emphasize the quality of its products. Throughout the years, purity and reliability…
M. C. W. Brand Chemicals AdvertisementThe Mallinckrodt Company’s long-term focus on the manufacture of pharmaceutical and analytical chemicals of high purity was consistent with the…
M. C. W. Brand Medical Narcotics AdvertisementThe Mallinckrodt Company’s venture into the production of cocaine, morphine, and other medical narcotics was well timed. Around 1898, the…
Major gold mines in North CarolinaMajor gold mines in North Carolina, map created by Michael T. Southern, NC State Historic Preservation Office
Mallinckrodt Brand Carbolic Acid and CocaineThe quality of its early products, such as carbolic acid, helped the Mallinckrodt Company establish a good reputation. The company…
Mallinckrodt Brand Morphine NoticeAround 1898, the Mallinckrodt Company, perhaps drawing on its German connections, purchased access to cocaine and morphine manufacturing processes developed…
Manual accompanying the Mannheim slide ruleThe slide rule was invented by English mathematician William Oughtred (1575-1660) in the mid seventeenth century on the basis of…
Map Drawn by Albert Fink of B&O Railroad Route Surveys from Cumberland, MD to Wheeling, VAMap Drawn by Albert Fink of B&O Railroad route surveys from Cumberland, MD to Wheeling, VA (now Wheeling, WV), 1850
Map of Carl Hilmar Guenther's mill and home on Live Oak Creek near its confluence with the Pedernales River in Gillespie CountyIn 1853, Carl Hilmar Guenther, in response to questions from his family about the people and environs of Fredericksburg, Texas,…
Map of Pennsylvania Canals and RailroadsHistoric canals of Pennsylvania, including divisions of the nineteenth century Pennsylvania canal system plus navigable rivers, other canals, and four…
Map of Santa Cruz, County, CaliforniaFrom Santa Cruz County, California, Illustrations Descriptive of Its Scenery, Fine Residences, Public Buildings, Manufactories, Hotels, Farm Scenes, Business Houses,…
Map of southeastern Pennsylvania showing the locations of Philadelphia, Trappe, New Hanover, and ReadingMap of southeastern Pennsylvania showing the locations of Philadelphia, Trappe, New Hanover, and Reading.
Map of Texas for Prospective MigrantsMap of of Texas showing the new borders stipulated by the Compromise of 1850 and ratified by the Texas legislature…
Map of Texas with Early Rail LinesMap of Texas with early rail lines highlighted. From Mitchell's A System of Modern Geography (Philadelphia, PA: J.H. Butler &…
