Nonfiction » History » History of things

Steam Age Machines
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Price: $3.95 USD. Words: 3,430. Language: English. Published: March 27, 2014. Category: Nonfiction » Engineering, trades, and technology » Machinery
(5.00 from 1 review)
A brief history of steam power and 110 rare etchings and drawings of steam age machinery.
Unsung Heroes of The Universe
By
Price: $2.99 USD. Words: 7,560. Language: English. Published: August 10, 2012 by Decoded Science. Category: Nonfiction » Science and Nature » Physics
(4.67 from 3 reviews)
Of course you've heard of Albert Einstein, creator of special and general relativity, and other famous scientists - but there are many other physics pioneers who have received very little mainstream recognition for their contributions to history. Join me as I explore the fascinating history of six unsung heroes of the universe in this second-edition ebook.