1934 Print Captain Stevens Anderson Science Valve Experiment Hot Balloon NGMA5 XGM4 Keywords specific to this image:

Keywords specific to this image: Fins

This is an original 1952 color print ad promoting travel in the state of Oregon from Travel Information Division

specially featuring artwork by Colleen Browning

344-348 West 38th Street

Nelson Doubleday

1934 Print Captain Stevens Anderson Science Valve Experiment Hot Balloon NGMA5 XGM4 Keywords specific to this image:This is an original 1934 black and white halftone print of Captain Stevens showing how a compression valve that released hydrogen gas when needed in a hot air balloon to Captain Anderson. CONDITION This 79+ year old Item is rated Very Fine +++. Light aging throughout. No creases. No natural defects. No surface rub. No tears. No water damage. Please note: There is printing on the verso. Product Type: Original Halftone Print; Black White Grade: Very