Men work in an assay office, probably in Colorado. Shows an assayer pouring ore into a cupel over a stove. Shows barrels, sacks, sifters, tins, mortars and pestles, tongs, and graduated sizes of cupels in the laboratory.
Index originally created by Henrietta Bromwell in 1933 of 31,000 items regarding biographies and portraits of politicians, miners, club women, newspaper editors, artists, businessmen, legislators, early settlers, settlements, mines, geographical...
Display a larger image and more item information when the pointer pauses over a thumbnail
Thumbnail with title
Grid with smaller thumbnails and more detail
Select the collections to add or remove from your search