blast lamp

noun

a torch or lamp, as a blowtorch or a lamp for lampworking, in which the flame is fed by an air or oxygen blast.

First recorded in 1880–85

They worked by a blast-lamp until late at night and began again before daybreak in the morning.

Jumping down, he went along the track and stopped in the strong light a blast-lamp threw across a gap.

A similar form of apparatus is commonly used in the laboratory as a source of heat under the name blast lamp (Fig. 17).

The tube should be heated in the flame of a Bunsen burner, or blast lamp (preferably the latter) until it is very soft.

A blast-lamp is likely to be more useful here than the fish-tail burner.

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