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  1. A brass and black lacquered clinometer by HALL BROS, London, circa 1920.

    ORIGINAL CONDITION AS YOU CAN SEE IN THE PICTURES. YOU CAN SEE CLEARLY THROUGH THE OPTICS.

    eBay

  2. Brass Proportional Divider 15.2cm Engineer Elaboration Scientific Tool

    Proportionalteiler aus Messing, 15,2 cm, Ingenieur, Entwurf, wissenschaftlich Farbe: Messing Material: Massives Messing, Handgefertigtes Produkt, das nicht als Antiquität verkauft wird.

    eBay

  3. BEBANG 100X-2000X Microscope for Kids Adults, Professional Biological Microscope

    BEBANG 100X-2000X Microscope for Children Adults, Professional Biological Microscope for Students School Laboratory. Manufacturer‎BEBANG. [Biological Education Tool] Biological Microscope 100X-2000X is designed to help students/children/adults/beginners/amateur scientists explore the fascinating world of microscopy, biology and life sciences.

    eBay

  4. Unilab MFA LDR Sensor H29607 – Light Dependent Resistor STEM Module

    Sealed Unilab MFA LDR Sensor H29607. Great for light-sensitive circuits and electronics experiments. Perfect for STEM learning and hobbyist use. 24-hour dispatch, even weekends. eBay Global Shipping available. Check out our other items. Thanks for looking.

    eBay

  5. Vintage Jakar No 29 Student Log-Log Slide Rule + case, ref tables & Instructions

    Made of durable plastic in Japan, this slide rule is a functional and retro addition to any collection. Complete with case, reference / table / conversions slip and folded 16 page Instructions.

    eBay

  6. Antique Scientific Field Microscope in fitted wood box, Jena Germany

    Antique Small Field Microscope in fitted wood box, Jena Germany, Amazing gift or addition to any collection.

    eBay

  7. Vintage Thermohygrograph, Thermograph & Chart Recorder, Casella - England

    Working order.

    eBay

  8. Brass Kaleidoscope - Unique, Colorful, and Mesmerizing Optical Toy

    About this item Brass Kaleidoscope the best gift for your children & family. Made for Solid Brass. Size:- 13 cm Tall x 3.7 cm Dia (Kaleidoscope) Size:- 15 cm Length x 4.5 cm Wide x 4.5cm Height Beautifully handcrafted working Kaleidoscope, made of good quality brass material, with Brass Antique finish. A kaleidoscope is an optical instrument with two or more reflecting surfaces tilted to each other in an angle, so that one or more objects on one end of the mirrors are seen as a regular symmetrical pattern when viewed from the other end, due to repeated reflection. This type is similar to the classic kaleidoscope, but it’s object cell can turn independently of the body of the kaleidoscope. This enables the viewer to create more or less drastic changes of the kaleidoscopic pattern.

    eBay

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