Menarche, or the onset of menstruation, generated much advice and many attempts to manage girls' bodies in a public w
History Explorer Results (3)
Related Books (0)
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
11/4/2008
After graduating from the University of Wisconsin, Charles W. Hart and Charles H. Parr developed a two-cylinder gasoline engine and set up their business in Charles City, Iowa. In 1903 the firm built fifteen tractors (a term coined by Hart and Parr), and the 14,000 pound #3 is the oldest survivin
Grade Range:
9-12
Resource Type(s):
Reference Materials, Primary Sources
Date Posted:
7/7/2008
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.
Grade Range:
8-12
Resource Type(s):
Reference Materials
Date Posted:
7/10/2012
In this post, students will discover the history of electric car technology over the course of the last century. In the early 20th century, motorists had a choice of electric, steam, or gasoline cars, and it wasn’t clear that any one type would dominate the market. Electricity was beginnin
