Mechanical Stop Watch, 1/10 Second Subcategory_Boiling Flasks collecting water displaced by a

collecting water displaced by a submerged object for volume calculation in Archimedes-principle demonstrations

high-temperature grid flame for chemistry ashing

dropping resistance as temperature rises and giving an introduction to temperature-dependent semiconductor sensors

Glass displacement vessel in borosilicate glass holds 500mL for density measurement

well suited to demonstrating the force on a current-carrying conductor in a magnetic field

Mechanical Stop Watch, 1/10 Second Subcategory_Boiling Flasks collecting water displaced by aBattery free analog mechanical stopwatch reading to one tenth of a second, providing repeatable timing for physics classroom demonstrations and student laboratory experiments without power.