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Hatboro-Horsham High School Library: Engineering II

What is Engineering?

Free Engineering Databases

Explore engineering topics on applications of technology, construction, engineering education, materials, policies, reviews, and evaluations!

A databasse great for future civil engineers!

ECHO (Exploring and Collecting History Online) is a directory to 5,000+ websites concerning the history of science, technology, and industry.

You can search it, browse it according to category, or even look at the tag cloud that has been generated.