Antique Scientific Wood Leather Fractional Ball Dissected Math Sphere 8″ Rare

Specifications

This is a rare and fantastic antique Scientific Wood Leather Fractional Ball. It comes with the display disc. This teaching tool is a piece of scientific equipment from the late 1800s-early 1900s. This dissected mathematical sphere is a sophisticated tool used for studying fractions and mathematical concepts through hands-on experience. The use of wood and leather materials adds a touch of craftsmanship and vintage charm to this antique piece and was unique to the design by Albert Kennedy (patented 1880s), making it a valuable and intriguing addition to any museum collection or laboratory.

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