Keystone Stereoscope 1910s with 20 Stereo cards, wooden Stereo viewer
07
days
11
hours
20
minutes
04
seconds
Current bid
€ 165
No reserve price
Expert
Selected by Rob ter Ellen
Over 35 years' experience specialising in cameras and optical equipment.
Estimate € 250 - € 300
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Keystone Stereoscope from the 1910s with 20 stereo cards in a wooden box (37.5 cm x 37.5 cm x 20 cm); period 1910–1920; in very good condition and tested to be working.
AI-assisted summary
Description from the seller
Antique stereoscope, manufactured in the 1910s, with a wooden case (37.5cm x 37.5cm x 20cm) and 20 stereo cards, from the Keystone View Company. The set is in very good condition considering its age. The 20 cards are distributed as follows: 3 from Canada; 1 from Venice; 1 from Greenland; 1 from Chile; 7 from Brazil; 7 from the Palestinian area.
The stereoscope is an optical instrument that presents two slightly different images, one for each eye, to give the effect of depth. One of the most popular and enduring forms of stereoscope, it was invented by the American author Oliver Wendell Holmes (1809-1894) in 1861.
Stereoscopy is the process of creating the visual illusion of depth by placing two nearly identical images side by side. These images are slightly offset to represent the difference in perspective between the left and right eyes. Known as stereograms and typically mounted on a card, they are viewed through a device called a stereoscope. The stereoscope contains lenses that slightly magnify the images and also make them appear more distant. The two separate images then merge and appear as a single 'stereo' image, which is a virtual three-dimensional recreation of the photographed image.
I don't know if the stereoscopic viewer is also a Keystone brand (Keystone View Company probably partnered with other manufacturers of stereoscopic viewers).
Please see the attached photos to check the overall condition. The photos are part of the description.
Antique stereoscope, manufactured in the 1910s, with a wooden case (37.5cm x 37.5cm x 20cm) and 20 stereo cards, from the Keystone View Company. The set is in very good condition considering its age. The 20 cards are distributed as follows: 3 from Canada; 1 from Venice; 1 from Greenland; 1 from Chile; 7 from Brazil; 7 from the Palestinian area.
The stereoscope is an optical instrument that presents two slightly different images, one for each eye, to give the effect of depth. One of the most popular and enduring forms of stereoscope, it was invented by the American author Oliver Wendell Holmes (1809-1894) in 1861.
Stereoscopy is the process of creating the visual illusion of depth by placing two nearly identical images side by side. These images are slightly offset to represent the difference in perspective between the left and right eyes. Known as stereograms and typically mounted on a card, they are viewed through a device called a stereoscope. The stereoscope contains lenses that slightly magnify the images and also make them appear more distant. The two separate images then merge and appear as a single 'stereo' image, which is a virtual three-dimensional recreation of the photographed image.
I don't know if the stereoscopic viewer is also a Keystone brand (Keystone View Company probably partnered with other manufacturers of stereoscopic viewers).
Please see the attached photos to check the overall condition. The photos are part of the description.
Details
Era
1900-2000
Brand
Keystone
Model/ type nr
Stereoscope 1910s with 20 Stereo cards, wooden
Physical condition
Very good
Functional condition
Tested and working
Estimated Period
1910-1920
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