flame

1950s

13151_3728_welding7

The flame tip of an arc welder and welding rod are melting or braze…

1950s

13151_3728_welding9

An arc welder is braze welding a sheet of metal with a bronze rod with…

1950s

13151_3728_welding10

An arc welder is braze welding a sheet of metal with a bronze rod with…

Unspecified

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A man sits in an armchair and wears a flammable jacket. Another man…

1970s

8403_science_class2

A child puts his hand over the flame of a candle to feel the heat. A…