In the spring of 1803, Meriwether Lewis began to purchase scientific and mathematical instruments for a pending expedition into the northwestern region of North America. Among the items he purchased from Philadelphia instrument maker Thomas Whitney were three pocket compasses and this silver

Sstudents can learn about sheet music based on transportation themes from the collections of the Museum's Archives Center. This reference page is included in the online exhibition entitled America on the Move, which focuses on transportation in US history.

On Time explores the changing ways we have measured, used, and thought about time over the past three hundred years. With this online resource, students will learn how improvements in time keeping technology have led to the increased importance of efficiency, punctuality and regimentatio

The Army and Navy Prayer of the Confederate States, printed in Richmond in 1865.

Spend time exploring Globalization and Food, two topics from the Global Era.

Take a closer look at the Global Era topics of Finance and Discount Retail.

Dig deeper into the Global Era topics of Networks and Earnings.

In this post, readers explore an extraordinary figure in a new way.  A 1950 comic book about Jackie Robinson’s early career reveals little of the hardships he faced, but focuses on the talent and integrity of on the baseball’s greats. Written by Archivist Cathy Keen, th

In this post, readers will discover some of the early history of bullet-proof vests and how Americans during the Civil War tried to protect themselves and their loved ones with this relatively new invention.  Written by Civil War scholar Sarah Weicksel, this post i

In this post, readers will explore the writings of an assistant surgeon in the 150th Pennsylvania infantry during the Civil War, M.A. Henderson.  Although Henderson did not see much action and describes little of his medical duties, his diary is a resource for understanding the Ci