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Clark-Bumpus sampler
Directory
References
Discover
Close up of praying mantis walking on stone ground against a blurred background in Japan
6 Animals That Eat Their Mates
airplane in flight (plane, aircraft, flying)
7 Puzzling Plane Disappearances
African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.
Timeline of the American Civil Rights Movement
The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.
What If the President Is Impeached?
Cleopatra hieroglyphic carving the Ancient Egyptian queen Cleopatra. Wall of the Temple of Horus at Edfu, Egypt.
What Did Cleopatra Look Like?
Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)
All 119 References in “We Didn’t Start the Fire,” Explained
Normandy Invasion: Omaha Beach. World War II. D-Day. Infographic. SPOTLIGHT VERSION
Facts and Figures About the Landings on Omaha Beach During the Normandy Invasion on June 6, 1944

Clark-Bumpus sampler

marine biology

Learn about this topic in these articles:

undersea exploration

  • Hear Sylvia Earle talk about her life, work, and challenges as an American oceanographer and explorer
    In undersea exploration: Collection of biological samples

    The Clark-Bumpus sampler is a quantitative type designed to take an uncontaminated sample from any desired depth while simultaneously estimating the filtered volume of seawater. It is equipped with a flow meter that monitors the volume of seawater that passes through the net. A shutter opens…

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