US$ 114.75
the wider face brightening divergence demos while still producing reduced upright virtual images
this 16 SWG bare copper wire ships on a 500g reel approximating 85 feet of high-conductivity material
Reel of 250-foot 24 SWG nichrome resistance wire
and three low-friction nylon wheels for straight-line momentum experiments
Copper 2 by 0
Alnico U-Shape Magnet, 115 x 20 x 8mm Light & Optics_Reflection & Refraction the wider face brightening divergenceWide shoulder 115 x 20 x 8mm Alnico U shape with poles labeled and a keeper supplied, the broad pole faces giving a flatter field profile than narrow U shape models.
US$ 114.75
US$ 166.96
US$ 244.50
US$ 110.51
US$ 169.50
US$ 259.50
US$ 151.43
US$ 116.47
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US$ 199.00
US$ 380.20
US$ 85.91