From the set " Human Physiology " origially produced in 1888, however, i believe this dates from a later set. See photo 3.
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MATERIAL-Brass and glass.
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eBay
Material: Glass. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.
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This is a classic Japanese bamboo slide rule, widely used by engineers, architects, and technical professionals before the introduction of electronic calculators. The bamboo body is straight and well preserved.
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Made of solid brass. This is a beautiful piece of handcrafted to perfection.
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This handmade antique brass leather kaleidoscope is a delightful gift for kids. Crafted in India, this unique piece is sure to captivate young minds with its intricate design and fascinating optical capabilities. Measuring 6 inches, it is the perfect size to hold and explore. Ideal for collectors of science and medicine equipment, this kaleidoscope falls under the "Science & Medicine (1930-Now)" category. It is a rare find and a perfect addition to any collection. Make a child's day by gifting them this one-of-a-kind piece. Material : Brass,Leather Size : 6 Inches, 15 cm Approx Finish : Shiny Brass Look Photos For Actual Image Of Product. All Work is Hand Made. This is a Reproduction Item, Not Sold As Antique. Good Piece Of Collection. Best for gift.
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