Cross Wires for Optics Experiments Lab Supplies_Filtering Supplies fixed bridges

fixed bridges

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

Eight-piece glazed porcelain scientific sake set pairs 4 drinking cups with 4 matching lids for Japanese-style sake service with lab-aesthetic styling

Hand-painted skin cross-section enlarged 300 times exposes epidermal layers

green) and three secondaries (cyan

Cross Wires for Optics Experiments Lab Supplies_Filtering Supplies fixed bridgesCross 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.