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Mentor (1913-1930 Crowell Publishing) Magazine 175

  • Issue #175
    Mentor (1913-1930 Crowell Publishing) Magazine 175


    (see more images)
    • Staple rust. Rust migration. Spine stress. Corner Damage. Edge damage.
    • Spine split 5%. Cover Detached. Staple rust: Moderate.

    Volume 7, Issue 3 (Serial Number 175) - March 15, 1919. Department of Science. In this issue: "The Story of Iron and Steel" by C.F Talman. Includes Mentor Gravures of: Loading Iron Ore Into Steamer - Unloading Scrap Steel With Lifting Magnet - Modern Blast Furnaces And Ore Stock Yard - Bessemer Converter Blowing - Open-Hearth Furnaces - Rolling A Steel Rail. Each gravure also has educational text on the back. 7-in. x 10-in.; black and white; 12 pages on white paper plus card-stock gravures. Cover price $0.20.