Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (170 total)

Electrolytic cell for production of Dakin solution (sodium hypochlorite), 1931
Electrolytic cell for production of Dakin solution (sodium hypochlorite), 1931
Equipment parts, 1939
Equipment parts, 1939
Equipment parts, 1940
Equipment parts, 1940
Filtering operation for extracting oil from seeds, Oil extraction plant
Filtering operation for extracting oil from seeds, Oil extraction plant
Fisher Scientific instrument, agricultural by-products lab, 1938
Fisher Scientific instrument, agricultural by-products lab, 1938
Output Formats

atom, csv, dcmes-xml, json, omeka-xml, rss2