Metal stand-up counter sign advertising the Minneapolis-Honeywell Regulator Company's Chronotherm Automatic Thermostat. Created by Donaldson Art Sign between 1930 and 1945.
Made possible by the Arts and Cultural Heritage Fund through the vote of Minnesotans on November 4, 2008. Administered by the Minnesota Historical Society.
Minnesota Historical Society • 345 W. Kellogg Blvd., St. Paul, MN 55102-1906 (Map) • 651-259-3000 © .