Hermetis, Aegyptiorum, et Chemicorum Sapientia A rare and comprehensive work on the early history of alchemy
The Inventions, Researches and Writings of Nikola Tesla A fascinating overview of the breadth of the great inventor's early designs
La machine aérostatique de MM. de Montgolfier The oldest scientific description of a viable flying machine
The railway bridge near Busswyl The railway bridge over the Aare near Busswyl on the Bernese state railway between Bern and Biel