Holmes-Bates style stereoscope by Pattberg, has a patent date of July 5, 1881. There is some wear to the velvet hood but more importantly everything is completely original; image credit on full record.
Holmes-Bates style stereoscope by Pattberg, has a patent date of July 5, 1881. There is some wear to the velvet hood but more importantly everything i... [more detail available via subscription]
