Science Marches On: The Origin Progress And Significance Of Scientific Knowledge by Walter Shepherd
1939. First Edition. 419 pages. No dust jacket. Blue cloth with white lettering. B&W illustrations and photographs throughout. Clean pages. Notable foxing and tanning to endpapers and page edges. Mild wear and bumping to spine, board edges and corners, with crushing to spine ends. Minor tanning to spine. Book has a forward lean.