Unidentified photographer / artist
1880s (ca)
American Holmes Bates style viewer mounted on a revolving table

Stereoscope
Stereographica - Antique Photographica
Courtesy of Bryan and Page Ginns (#14 / 27)
 
The table also incorporates a storage box underneath the viewer. Measures approximately 40" high. This viewer is probably unique and is the actual viewer from the Paul Wing collection as illustrated on page 90 of Paul Wing's book.
 
LL/11118