Washington, D.C., 1920. “Treasury Internal Revenue department.” An array of essences, extracts and elixirs being tested for alcohol content at the start of Prohibition. National Photo Company Collection glass negative. Shorpy.com

Washington, D.C., 1920. “Treasury Internal Revenue department.” An array of essences, extracts and elixirs being tested for alcohol content at the start of Prohibition. National Photo Company Collection glass negative. Shorpy.com