Tag: Willem Blaeu

Eratosthenes Thumb

Illustrated Textbook: Geo Perspectives’ Eratosthenes, Ricci, & Blaeu

Discover that two of the most famous mapmakers were contemporaries, find out what a gnomon is, and learn how Eratosthenes calculated the circumference of the Earth (well, mostly). Read this […]

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Illustrated Textbook: Using Maps to Find Location

This page wraps up the Wyoming fatal traffic accident puzzle with a little help from a concept called SCALE. Vocabulary terms MAP and MENTAL MAP (aka COGNITIVE MAP) are also […]

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