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📜 History & landmarks · Landmark and historical building

One-Million-Liter Test Sphere

A landmark in Frederick, with 8 places within a five-minute walk. One of 81 history & landmarks in Frederick.

★ What stands out · The building’s story

On the National Register since 1977

One-Million-Liter Test Sphere

One-Million-Liter Test Sphere

One-Million-Liter Test Sphere was added to the National Register of Historic Places on Nov 23, 1977. It is significant for its science at the national level.

The One-Million-Liter Test Sphere—also known as the Test Sphere, the Horton Test Sphere, the Cloud Study Chamber, Building 527, and the "Eight Ball" (or "8-ball")—is a decommissioned biological warfare (BW) chamber and testing facility located on Fort Detrick, Maryland, US. It was constructed and utilized by the U.S. Army Biological Warfare Laboratories as part of its BW research program from 1951 to 1969. It is the…

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Cultural And Historic › Historic Site
MonumentArmed Forces Branch
Where it is

In Frederick

The nearest neighbor is Air Force Medical Operations Agency, 1 min walk away.

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One-Million-Liter Test SphereOther history & landmarksEverything elseFive-minute walk
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8 places within a five-minute walk of One-Million-Liter Test Sphere.

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Fix a detailWrong hours or phone? Moved or closed? Neighbors keep this right.✎
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Website
http://en.wikipedia.org/wiki/index.html?curid=10444281
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Some place details from Overture Maps (CDLA-Permissive-2.0). Changes go live once a second neighbor confirms them. Building history: National Park Service, National Register of Historic Places.

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