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![[Coveleski, of the Washington Nationals baseball club, throwing baseball]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMTAvMDIvY292ZWxlc2tpLW9mLXRoZS13YXNoaW5ndG9uLW5hdGlvbmFscy1iYXNlYmFsbC1jbHViLXRocm93aW5nLWJhc2ViYWxsLTBmNmQzMC02NDAuanBn/40/50/webp "[Coveleski, of the Washington Nationals baseball club, throwing baseball]")
![Bureau of Standards designs mechanical batter to determine liveliness of baseballs. Washington, D.C., Feb. 21. Using a newly designed apparatus, the U.S. Bureau of Standards today began experiments to determine the relative home-run qualities of American, National and International baseballs. In conducting the tests a scientist pulls the trigger of an air gun loaded with a wooden projectile representing the slugger's bat. The projectile strikes a baseball causing it to fly toward a ballistic pendulum. After each of such hits the scientist takes a reading on the pendulum. It tells him how hard the ball hit the pendulum, or whether it was a homerun, a double, [...]st a pop fly. Dr. H.L. Dryden, Chief [...]e Division of Mechanics and Sound, Designed the machine and is supervising the tests. He is [...] right while on the left is Edward B. Eynon, Secretary of the Washington Baseball Club, 2/21/38](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTUvMTEvMjUvYnVyZWF1LW9mLXN0YW5kYXJkcy1kZXNpZ25zLW1lY2hhbmljYWwtYmF0dGVyLXRvLWRldGVybWluZS1saXZlbGluZXNzLW9mLWJhc2ViYWxscy02NDAuanBn/40/32/webp "Bureau of Standards designs mechanical batter to determine liveliness of baseballs. Washington, D.C., Feb. 21. Using a newly designed apparatus, the U.S. Bureau of Standards today began experiments to determine the relative home-run qualities of American, National and International baseballs. In conducting the tests a scientist pulls the trigger of an air gun loaded with a wooden projectile representing the slugger's bat. The projectile strikes a baseball causing it to fly toward a ballistic pendulum. After each of such hits the scientist takes a reading on the pendulum. It tells him how hard the ball hit the pendulum, or whether it was a homerun, a double, [...]st a pop fly. Dr. H.L. Dryden, Chief [...]e Division of Mechanics and Sound, Designed the machine and is supervising the tests. He is [...] right while on the left is Edward B. Eynon, Secretary of the Washington Baseball Club, 2/21/38")
Baseballs undergo outdoor tryout. Washington, D.C., Mar. 7. The government's test for velocity of the American and National League baseballs went out in the open air today, having learned all about the traits of the pellets within the laboratory. The Bureau of Standards transported it's paraphernalia to Griffith Stadium to let the baseballs be shot from their air gun and fly where they may. W.C. Mock, of the Bureau of Standards is shown making the test, 3738
Summary
A man standing next to a large machine, Library of Congress Harris and Ewing collection
Title from unverified caption data received with the Harris & Ewing Collection.
Gift; Harris & Ewing, Inc. 1955.
General information about the Harris & Ewing Collection is available at http://hdl.loc.gov/loc.pnp/pp.hec
Temp. note: Batch five.
The Harris & Ewing, Inc. Collection of photographic negatives includes glass and film negatives taken by Harris & Ewing, Inc., which provide excellent coverage of Washington people, events, and architecture, during the period 1905-1945. Harris & Ewing, Inc., gave its collection of negatives to the Library in 1955. The Library retained about 50,000 news photographs and 20,000 studio portraits of notable people. Approximately 28,000 negatives have been processed and are available online. (About 42,000 negatives still need to be indexed.)
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