Title and statement of responsibility area
Title proper
Hummingbird combination graphoscope and stereoscope viewer
General material designation
- Object
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Item
Repository
Reference code
2018.09.02.052
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Class of material specific details area
Statement of scale (cartographic)
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Statement of scale (architectural)
Issuing jurisdiction and denomination (philatelic)
Dates of creation area
Date(s)
-
[ca.1850] (Manufacturing)
Physical description area
Physical description
1 piece of photographic viewing equipment : stereoscope ; 44 x 23 x 38 cm
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Archival description area
Custodial history
Scope and content
Item is a black and green combination viewer and stereoscope with hummingbird and lily pad carvings detailed with minerals. Graphoscope is a viewing device used to enlarge photographs and text. Item is a made of a magnifying glass in a wooden frame and can collapse into a compact form. Whereas the stereoscope was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect. This object can collapse into a compact form.
Notes area
Physical condition
Wooden exterior has started to crack and show tearing.
Immediate source of acquisition
Collected by the late Dr. Martin J. Bass and Gail Silverman Bass and donated to the Ryerson University Library and Archives by Gail Bass in 2018
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Open. Records are available for consultation without restriction
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Sources
Jenkins, F. Harold. (1973) Two Points of View. Uniontown, Pennsylvania: E.G. Warman Publishing Inc.