Rutgers University
Edison's Papers: Edison's Patents: Batteries
A full listing of all Edison's battery patents. Not just titles and numbers, but Adobe Acrobat copies of the entire set of drawings and text from each patent application. This is heirloom stuff. With the available magnification, you can...
abcteach
Abcteach: Inventors and Inventions
[Free Registration/Login Required] Find several scientific inventors and inventions with activities for students in primary grades through middle school. One lesson in particular integrates technology by focusing on the invention of the...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Siege of Christina Fort, 1655
A facsimile of the plan of Fort Christina at the confluence of Brandywine Creek and Christina Creek near the Delaware River (beyond right margin of map) during the siege by the Dutch in 1655. The Swedish fort was a primary objective of...