GRATZ, Leo. Die Atomtheorie in ihrer neusten Entwickelung. Sechs Vortraege. 33 illus. 93 pages. 8vo, original gray printed wrappers (pages brittle, margins chipped & browned). Stuttgart, 1921. Binding: Paperback Language: German Price: $30.00 Item #72739 Add to Cart Ask a Question See all items in PHYSICS See all items by Leo GRATZ