Video of working difference engine, as designed by Charles Babbage.
Photos taken in India in 1912 (including the royal visit). This is Lal Dighi, Calcutta:

And an article carefully explaining why gravity is a good idea, in memory of a wealthy eccentric.
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Published by Felicity Banks Books
I write books (mainly adventure fantasy for kids and young adults), real-time twittertales, and a blog of Daily Awesomeness. @Louise_Curtis_ and http://twittertales.wordpress.com. My fantasy ebook is on sale at https://www.smashwords.com/books/view/278981.
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