Porcelain Beehive Shelf, 7.5cm, Glazed Subcategory_Glassware Sets setting UV sanitization cycle duration

setting UV sanitization cycle duration and restoring full cabinet function when the original switch fails under classroom use

chemically resistant for collecting gases over mercury in pneumatic-trough experiments

providing kilohm-scale reference values for bridge-circuit and voltage-divider investigations

Pairs a 20° apex with 20° x 20° x 140° geometry on a glass prism

producing a smaller flame footprint suited to individual student work on crowded benches

Porcelain Beehive Shelf, 7.5cm, Glazed Subcategory_Glassware Sets setting UV sanitization cycle durationFully glazed 7. 5cm porcelain beehive shelf supports crucibles, steam baths, and burners over Bunsen flames and heating apparatus in chemistry labs.