One of a number of collapsible horns marketed in the early 1900s; these ads date from 1907. Other collapsible or portable models included fabric horns with folding umbrella-type metal ribs, and sectionals that bolted together for use.
One of a number of collapsible horns marketed in the early 1900s; these ads date from 1907. Other collapsible or portable models included fabric horns with folding umbrella-type metal ribs, and sectionals that bolted together for use.
