Great Inventors and Their Inventions: Free Audiobook and Listening Guide
Great Inventors and Their Inventions by Frank Puterbaugh Bachman: the LibriVox audiobook summary, 17 original MP3 tracks, 5:56:46 running time and a link to listen.
#inventions
3 articles
The Progress of Invention in the Nineteenth Century: Free Audiobook and Listening Guide
The Progress of Invention in the Nineteenth Century by Edward Wright Byrn: the LibriVox audiobook summary, 37 original MP3 tracks, 16:38:33 running time and a link to listen.
Americans All, Immigrants All: Free Audiobook and Listening Guide
Americans All, Immigrants All by U. S. Department of the Interior Office of Education: the LibriVox audiobook summary, 13 original MP3 tracks, 1:56:00 running time and a link to listen.