Description

spindle formation

4 inches with thread-fitted joints tuning pressure by screw

this aluminum cone on an insulating rod holds induced charge for surface-charge mapping with a proof plane

green) and three secondaries (cyan

verifying conservation of momentum in two dimensions for mechanics-unit investigations

Cross Wires for Optics Experiments Lab Supplies_Filtering Supplies spindle formationCross 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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Cross Wires for Optics Experiments Lab Supplies_Filtering Supplies spindle formation

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