antique bread, cake, pie keeper

antique bread,cake,pie keeper it was in my husbands grandfathers restaurant. which opened in 1917 and closed in 1952. has one shelve. Markings on inside door. Test & approved by the Dept. of Housing Engineering . Good Housekeeping Institute Serial No. 2437 Good Housekeeping Magazine Made The Home comfort Company, Inc. St. Paul Minn.
Front of door markings: Home comfort St. Paul, Minn. Trade Mark Patented No