Description
this concave glass mirror at 100mm focal length runs at f/1 for vivid real-image demos and converging-reflection work
Used to draw electrons from glass and ebonite rods during rubbing
supplying a duplicate-value option for paired-bench experiments on capacitor energy storage
Single large transparent plate filled with iron-rod plotting compasses
covering metals
Opisometer Geology this concave glass mirror atOpisometer with a knurled wheel on a threaded spindle, rolling along curved lines on maps, charts, and drawings to convert winding distance into straight line length for geography coursework.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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