Science Struck
Science Struck: Types of Thermometers
Learn about the different types of thermometers, their applications, and how they work.
Enchanted Learning
Enchanted Learning: Inventors & Inventions From the 1700s
Use this site to learn more about early inventors and inventions from the 18th century. This web page offers text and images on various inventors and their inventions. You can also access information about inventors and inventions from...