Killing jar
A killing jar or killing bottle is a device used by entomologists to kill captured insects quickly and with minimum damage. The jar typically contains gypsum plaster (plaster of Paris) on the bottom to absorb a killing fluid.
A killing jar or killing bottle is a device used by entomologists to kill captured insects quickly and with minimum damage. The jar typically contains gypsum plaster (plaster of Paris) on the bottom to absorb a killing fluid.
A killing jar or killing bottle is a device used by entomologists to kill captured insects quickly and with minimum damage. The jar typically contains gypsum plaster (plaster of Paris) on the bottom to absorb a killing fluid.
Source: Wikipedia "Killing jar" · CC BY-SA 4.0
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