110V Sodium Spectrometer Light Source Pack Size_48 supplied with keepers in a

supplied with keepers in a cardboard storage box for routine classroom work on field lines

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the slightly wider apex stepping deviation up from the 5° prism for systematic angle-versus-deviation series

accepting vertical support rods up to 5/8 inch on standard laboratory stands

Diamond lattice kit with 39 carbon atoms and 60 connectors for building the tetrahedral covalent network that gives diamond its exceptional hardness and optical properties

110V Sodium Spectrometer Light Source Pack Size_48 supplied with keepers in aSelectable 2mm and 4mm circular apertures and a 4 x 20mm vertical slit on this 110V sodium light source provide uniform monochromatic illumination for spectrometer measurements.