Play Ball! : 1938

Play Ball! : 1938

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. Harris & Ewing. Vintage photograph provided by LOC. Original Medium: glass negative.