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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 their approval by laying more frequently; also a more uniform egg. R.B. Nestler, poultry expert, is pictured as he removes the eggs from the automatic chute in the new room. Note the air conditioning apparatus on the ceiling." So this poultry man with the wonderful name of Nestler is, contrary to USDA Best Practices, putting all his eggs in one basket. Harris & Ewing glass negative. View full size.