"Blast Furnace" is a lithograph by Frank Brangwyn depicting the industrial landscape of a working foundry, rendered in warm brown tones that evoke the heat and intensity of the manufacturing process. Brangwyn's composition captures the monumental scale and dynamic energy of modern industry through bold, expressive line work characteristic of his graphic design approach. The work exemplifies the early 20th century artistic fascination with industrial subjects as worthy subjects for fine art representation.