Multnomah County, #612-617

no. 612 (2006.001.1131, SLO_2026_1397): Modern methods used for handling grain in the mill, credit Columbia Empire Industries Inc. (4 copies). no. 613 (2006.001.1131-02, SLO_2026_1398): Manufacturing iron fireman, 300 ton hydraulic press, credit Columbia Empire Industries Inc. (5 copies). no. 614 (2006.001.1131-03, SLO_2026_1399): Soap coming from moulds, credit Columbia Empire Industries Inc. (2 copies). no. 615: Beveling and finishing glass, credit Photo Art Studio (4 copies). no. 616 (2006.001.1131-04, SLO_2026_1401): Packing coffee in vacuum sealed jars, credit Columbia Empire Industries Inc. (3 copies). no. 617 (2006.001.1131-05, SLO_2026_1402): Molten bronze in furnaces, credit Columbia Empire Industries Inc. (4 copies).