Description
Barlow's Wheel apparatus with neodymium magnets and a heavy base
at plus-or-minus 10% tolerance for high-impedance work
46mm copper wire on a 9mm soft-iron U-form core
88-inch face reading 0-2
Concave Glass Mirror, 75mm Diameter, 300mm Focal Length Item Type_Density Cubes & Cylinders Barlow's Wheel apparatus with neodymiumConcave glass mirror, 75mm diameter and 300mm focal length, ~3mm thick, the f 4 curvature stretching the focal throw for projection style image formation and reflector telescope analogues.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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