a torch or lamp, as a blowtorch or a lamp for lampworking, in which the flame is fed by an air or oxygen blast.
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How to use blast lamp in a sentence
They worked by a blast-lamp until late at night and began again before daybreak in the morning.The Girl From Keller's | Harold Bindloss
Jumping down, he went along the track and stopped in the strong light a blast-lamp threw across a gap.Northwest! | Harold Bindloss
A similar form of apparatus is commonly used in the laboratory as a source of heat under the name blast lamp (Fig. 17).An Elementary Study of Chemistry | William McPherson
The tube should be heated in the flame of a Bunsen burner, or blast lamp (preferably the latter) until it is very soft.Laboratory Manual of Glass-Blowing | Francis C. Frary
A blast-lamp is likely to be more useful here than the fish-tail burner.Laboratory Manual of Glass-Blowing | Francis C. Frary