The Mentor; The Panama Canal; Department Of Science
New York: The Mentor, 1913. Wraps. Octavo; pp; 12; Six large sepia plates; original printed paper wrappers;. The Greatest Engineering Feat Of The Century! More
New York: The Mentor, 1913. Wraps. Octavo; pp; 12; Six large sepia plates; original printed paper wrappers;. The Greatest Engineering Feat Of The Century! More