Conical Filtering Flask with Integral Plastic Side Arm, 1000mL, White Graduations, Borosilicate Glass Glass Flasks_Filtering Flasks Two selectable dot rates (25

Two selectable dot rates (25 or 45 per second) on a shock-absorbing plastic-case ticker timer

sized to capture and measure the 2:1 hydrogen-to-oxygen volume ratio during water electrolysis

supporting digestive system anatomy teaching

Combined thermo hygrometer on an 85 mm metal dial pairing a -10 to 50°C thermometer with a 0 to 100 percent hygrometer for single-glance monitoring of room and laboratory conditions

this single large lump of genuine American coal ships in a cotton drawstring bag with a linked science-experiment activity

Conical Filtering Flask with Integral Plastic Side Arm, 1000mL, White Graduations, Borosilicate Glass Glass Flasks_Filtering Flasks Two selectable dot rates (25Conical filtering flask in borosilicate 3. 3 glass holds 1000mL with integral plastic side arm for vacuum filtration and chemistry separation.