Two eye testers, long vulcanite frames with eight circular lenses, one frame for + the other for - lenses, handles, by Meyrowitz, New York, 1880-1900 Two eye testers 1880-1900
Two eye testers, long vulcanite frames with eight circular lenses each, one frame for + the other for - lenses, with handles, by Meyrowitz of New York, 1880-1900 Two eye testers 1880-1900
