How It Works Magazine Lot Parts 11 20 Science Technology 2nd Edition 70's

How It Works Magazine Lot Parts 11 20 Science Technology 2nd Edition This is a consecutive lot of How It Works magazines covering Parts 11 through 20 from the 2nd Edition series. The magazines focus on science, invention, and technology, featuring illustrated explanations, diagrams, and photographic content. All items are original loose magazines and are not bound into volumes. This lot contains ten consecutive issues. The photos show both front covers and representative interior pages to demonstrate content style and condition. Topics span historical and modern engineering, scientific principles, and technological development, presented in the original weekly magazine format. No additional supplements, binders, or inserts are included beyond what is visible in the images. Used items in fair to good overall condition. Covers show visible handling wear including creasing, edge wear, scuffing, and some colour fading consistent with age and use. Pages show general reading wear but remain intact and readable throughout, with no loose pages observed in the issues shown. Please refer to the photos for the exact condition of each magazine included. Colours may appear slightly different in person due to lighting conditions, camera settings, or individual screen displays. This is an incomplete set and is sold as a collectible or reference lot only. No guarantee is made that all originally issued inserts or supplements are present. Only the magazines shown in the photos are included. Hashtags#HowItWorks#ScienceMagazines#TechnologyHistory#Engineering#VintageMagazines#CollectibleReading