In 1871 Minneapolis built the first public waterworks in Minnesota to pump water from the Mississippi River. The city's attempts to provide clean, safe water led to decades of efforts to improve and expand the waterworks.
Iron lung used at Kenny Institute. 'The Emerson Respirator' manufactured by the J.H. Emerson Co., Cambridge 40, MA, 1953. Juvenile size iron lung used at Sister Kenny Institute, Minneapolis, to treat polio patients.
Iron lung used at Kenny Institute. 'The Emerson Respirator' manufactured by the J.H. Emerson Co., Cambridge 40, MA, 1953. Juvenile size iron lung used at Sister Kenny Institute, Minneapolis, to treat polio patients.