. Filters used in the Alberger process of salt manufacture, St. Clair, Mich. Created: 1920?. Digital item published 4-8-2005; updated 2-12-2009. 104 Filters used in the Alberger process of salt manufacture, St. Clair, Mich, from Robert N. Dennis collection of stereoscopic views
Size: 3103px × 1611px
Photo credit: © The Picture Art Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., 1920?., 2-, 4-8-2005, created, digital, item, published, updated