Explosions

This film has frames with text explaining the date and type of explosions. Three pages of text is included in the canister. Opening text: Photographed at High Altitude Observatory of Harvard University and University of Colorado Views of the Observatory and Coronagraph Climax, Colorado Altitude 11,532 feet Solar Prominences Photographed through a special narrow-band filter in red light of hydrogen A metal disc eclipses the sun These pictures cover an area 500,000 miles wide by 400,000 miles high.