very rare and unusual antique american industrial c. 1910-15 original and well-maintained diminutive commercial building or possibly barn ventilating cupola salesman sample designed and fabricated by or for the milwaukee "milcor" corrugating company, milwaukee, wisc. the portable display model is comprised of nicely aged copper metal components fastened together with soldered joints. the structural integrity remains in great overall condition, with no breaks, bends or damaged components. the rooftop chimney ventilating cupola is finely-crafted throughout. the "miclor" corrugating company offered an extensive product line in their catalogs, containing everything from elaborate zinc ornaments, weather vanes and and moving picture theater fronts or facades. measures 3 1/4 x 3 1/4 x 7 1/4 inches.