Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Archibald Williams
James Slough Zerbe
Thomas Commerford Martin
2468 downloads
Alfred Powell Morgan
Nikola Tesla
Edward W. Byrn
Edmund Callis Berkeley
T. O'Conor Sloane
James P. Boyd
John Henry Pepper
1415 downloads
William H. Doolittle
Marcello Perathoner
Joshua Rose
Thomas M. St. John
Gordon Stables, John Nevil Maskelyne, and C. Stansfeld Hicks
Library of Congress
Museum of History and Technology
Joseph H. Adams
Suelette Dreyfus
Alfred Vail
D. S. Halacy
These books are free to read. Each is in the public domain in the United States; check your own country's rules before you copy or share one.