Description
six convex/concave lenses spanning 10-50cm focal lengths
spindle formation
letting students route current down either branch of a circuit by choosing which slot the plug occupies
0280 24 23/24 0
4 inches with thread-fitted joints tuning pressure by screw
Cross Wires for Optics Experiments Lab Supplies_Filtering Supplies six convex/concave lenses spanning 10-50cmCross wires set inside a 10mm aperture on a 75mm circular black metal screen, providing a fixed sighting reference for telescope and spectrometer alignment on the optical bench.
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