en.wikipedia.org
en.wikipedia.org
thoughtco.com
britannica.com
brighthubeducation.com
enchantedlearning.com
Enchanted Learning
https://www.enchantedlearning.com › inventors › 1600.shtml
thefamouspeople.com
The Famous People
https://www.thefamouspeople.com › 17th-century-scientists.php
inventiongen.com
localhistories.org
Local Histories
https://localhistories.org › tudortech
rankred.com
owlcation.com
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