About Cosmic Rays by John G. Wilson
1948. First Edition. 144 pages. Blue dust jacket with black lettering over brown cloth. B&W photographs throughout. Clean pages. Minimal tanning to endpapers and page edges. Mild wear and bumping to spine, board edges and corners, with some damage to spine head. Minor scuffing and marking to boards, with sunning to spine and board edges. Unclipped dust jacket. Moderate wear, tear and loss to edges and corners, with minor tanning, staining and soiling to DJ.