I never realized how important the coffee-tester is! [black & white advertisement; tear sheet]
Hills Bros. Coffee, Inc
Golden Gate International Exposition (1939-1940 : San Francisco, Calif.)
Ink on paper
1 item, 16.5" x 12.2"
Illustrations of a coffee-tester at work, five methods of making coffee and a small inset about the film "Behind the Cup" showing at the Hills Bros. Exposition Theatre, Golden Gate International Exposition..
N. W. Ayer Advertising Agency Records, Archives Center, National Museum of American History, Smithsonian Institution