Introduction To Physical Optics by John Kellock Robertson
1950. Reprinted. 512 pages. No dust jacket. Beige cloth. Pages remain bright and clear with minimal tanning and foxing. Previous owner's inscription to front pastedown. Some creasing to gutter. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Soft crushing to spine ends. Noticeable tanning to spine and edges. Light marks to boards.