(Leipzig, Barth, 1901). 8vo. Kept in a cloth-box. Extract from """"Annalen der Physik. Vierte Folge. Bd. 4."""" pp. 513-23.
First edition of Einstein's first published scientific paper - he himself called it a """"worthless beginner's work"""" - Weil No. 1 - Honeyman No. 925.