Early 20th century posters advertising Chilean saltpeter for markets overseas.

Used for gunpowder and fertilizer.

Video on saltpeter from the National Archives of Chile where I’ll be next week.

Undated, unsigned poster. 75 x 53 cms. National Archive of Chile.

More about my Fulbright Global Scholar Award to Germany, Chile and Hong Kong

More about the Fulbright Global Scholar Award in general