Aluminum Pendulum Bob with Hook, 25mm Lab Equipment and Supplies_Sensors Needle valve and flame stabilizer

Needle valve and flame stabilizer add precision control to this nickel-plated micro Bunsen burner running on natural gas for small-flame work

and human helminth infection for medical parasitology teaching

Illustrates liquid-density changes with temperature using a weighted 75mm hollow copper sphere that floats in 15°C water and sinks as the water warms to 30°C

vacuum filtration

Aluminum Pendulum Bob with Hook, 25mm Lab Equipment and Supplies_Sensors Needle valve and flame stabilizerAluminum 1 inch diameter pendulum bob at 0. 7 oz with a removable threaded brass hook, the lightest option in the series for mass dependent period comparison experiments.