Hand formed by draping clay over a convex plaster mold. Cardboard templates were pressed into the soft clay, leaving the fish pattern. The clay was then single fired in a heavily reducing atmosphere to approximately cone 6 (2180 F). At this time, baking soda (sodium bicarbonate) was introduced into the kiln and all the auxiliary airports and vents were sealed. This trapped carbon into the clay under the soda glazed surface, yielding a gray color.
The original object was scanned as a TIFF file on a Nikon Coolscan 4000 film scanner at approximately 4000 pixels on the long dimension. A 300 ppi JPEG file limited to 1024 pixels on the long dimension was then added to the CONTENTdm database.