A portable lamp or torch that burns a fuel spray and projects a flame, used for heating or welding.
From 'blow' + 'lamp.' Invented in the late 1800s as a portable heating device for plumbing, roofing, and industrial work.
Before electric heat tools, blowlamps were absolutely essential—plumbers still use them today, and the whoosh-sound they make is instantly recognizable on job sites!
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