The glass conical flask, a commonly used glass instrument in a chemical laboratory, was invented by German chemist Richard Erlenmeyer in 1861.
Conical flasks are commonly used in titration experiments. In order to prevent the dripping from dripping out of the bottle, causing the error of the experiment, and then mixing the bottle on the magnetic mixer.
Conical flask can also be used in ordinary experiments to make gas or as a reaction vessel. Bexuase its conical structure is relatively stable and won't fall.