DRUMAUX, L'Évidence de la Théorie d'Einstein, 1924

First edition.
Paul Drumaux (1881-1968), a professor at the University of Ghent, was a Belgian physicist who worked extensively on relativity. His work L'Évidence de la Théorie d'Einstein (The Evidence for Einstein's Theory) is a textbook that aims to present the experimental and theoretical proofs of the theory of relativity. Published at a time when general relativity was beginning to be widely accepted, this book is a testament to the dissemination of Einstein's ideas.
Copy annoted in margins.