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How to make Conductivity Tester
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DIY Astronomical Telescope 2.0 Manual and Video Tutorials
DIY telescope kit to explore the science of some of the earliest telescopes! This DIY telescope kit includes the components needed to build a single, simple refracting telescope! It also comes with a detailed video to learn different aspects of basic astronomical viewing. Material: Primary Lens or Objective lens Eyepiece Body tube eyepiece tube T…
