Answer:
Alcohol lamps are usually found in biology labs where they do innoculations of bacteria cultures. It heats the wire loop on a stick that they use to spread the bacteria on the growth medium, which will prevent contamination to the cultures. They are more portable than Bunsen burners but burn at a lower temperature.
Note* I haven't seen these around in a long time, and with the common use of disposable plastic innoculators, they might not be that common anymore.
Alcohol lamp-serves as a source of heat for laboratory activity.