Vintage Stereoscope with Keystone Vision cards & story cards

Description

Interesting item that either compares to vintage optometry  with early 20th century medical  equipment or possible 19th century vintage toy...like a "Viewmaster"!  Some of the cards tell a story and the photo cards are dated with copyright as early as 1899. The "Keystone Eye Training for Comfort and Visual Skill" Instruction booklet is dated 1937.
This sale includes:
Stereoscope
Keystone Eye Training for Comfort and Visual Skill set with 12 cards and a very nice instruction booklet.
and 26 assorted "story" cards, with a couple dated with copyright of 1887.
This offer comes from an estate find-and appears to be in well kept condition. Non-smoking home.
If you have any questions, please ask! And, thanks for checking out our store!