Kamis, 25 Agustus 2011

Photo: 1938 USDA Hen House


source: Shorpy's
August 9, 1938. Washington, D.C. "Air conditioned hen house is latest. Biddy increases the production of eggs in an air-conditioned hen house, U.S. Department of Agriculture experts have discovered after extensive experiments. The first temperature controlled maternity ward for hens has just been put into operation at the governmental experimental farm here. The hens have voiced