Lens
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Ingenium,
1969.0115.005
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- OBJECT TYPE
- OBJECTIVE
- DATE
- Unknown
- ARTIFACT NUMBER
- 1969.0115.005
- MANUFACTURER
- Unknown
- MODEL
- Unknown
- LOCATION
- Unknown
More Information
General Information
- Serial #
- N/A
- Part Number
- 5
- Total Parts
- 26
- AKA
- N/A
- Patents
- N/A
- General Description
- Brass, glass/ .5 pt: case: brass
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 4.9 cm
- Width
- 2.6 cm
- Height
- 2.6 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Physics
- Category
- Light & electromagnetic radiation
- Sub-Category
- N/A
Manufacturer
- AKA
- Unknown
- Country
- Unknown
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Worldwide
- State/Province
- Unknown
- Period
- c.1860
- Canada
-
Used in one of the Departments of Queen's University, Kingston, Ont. - Function
-
To observe biological specimens in minute detail./ .5-.7 corrective collar on objective consists of ring attached to the barrel which when turned alters the distance between the front lens & the one behind. used 1840-1860, to allow for aberration caused by irregular cover-slip thickness (ref.1,pg.69). - Technical
-
Wenham introduced his beam splitting prism in 1861 for use in a binocular microscope. This resulted in one tube straight & one inclined. Wenham microscopes were popular for the rest of the century because the prism could be removed to restore monocular vision, important for use at higher powers & resolution (ref.1,pg73-74) - Area Notes
-
Unknown
Details
- Markings
- Scale etched on ring from 0-9 in increments of 1, under ring is etched 'Uncovered', & Under this etched '4/10'/ .5PT CASE: 'Smith & Beck/ 6 Coleman St./ LONDON/ 2083' Etched on lid, etched on top & bottom '4/10'.
- Missing
- N/A
- Finish
- Lacquered brass
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Unknown Manufacturer, Lens, Unknown Date, Artifact no. 1969.0115, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0115.005/
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