5-Pack Silica Crucibles, 50mL Chemical_Hydrochloric Acid offered as a second-source option

offered as a second-source option for multi-unit classroom orders

this sonometer carries brass and steel wires across a 114cm wooden box with two millimetre rules

Plastic cups

Large Magdeburg hemispheres demonstrating the force of atmospheric pressure through vacuum-sealed halves that resist tug-of-war separation in classroom-scale physics demos

Three inch cast iron inner ring sits on a 5/16-inch stem paired with an open boss head

5-Pack Silica Crucibles, 50mL Chemical_Hydrochloric Acid offered as a second-source optionPack of 5 silica crucibles in 50mL capacity supports high temperature combustion, gravimetric analysis, and thermal chemistry procedures.