Bob, nadir
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Ingenium,
1996.0179.001
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- OBJECT TYPE
- N/A
- DATE
- 1935–1960
- ARTIFACT NUMBER
- 1996.0179.001
- MANUFACTURER
- Unknown
- MODEL
- Unknown
- LOCATION
- Unknown
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- BRASSCONSTRUCTION. STORED IN WOOD BOX, LINED WITH BLACK VELVET.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 15.5 cm
- Width
- 10.3 cm
- Height
- 10.7 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Exploration and Survey
- Category
- Photogrammetry
- Sub-Category
- N/A
Manufacturer
- AKA
- Unknown
- Country
- Unknown
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- Unknown
- Canada
-
Unknown - Function
-
TO ALIGN PROJECTORS ON PLOTTING TABLES. - Technical
-
EXAMPLE OF SIMPLE INSTRUMENT USED TO ALIGN PHOTOGRAMMETRIC PROJECTORS ON PLOTTING TABLE (AS PER RC BROOKS). PRECISE POINT AT WHICH A VERTICAL LINE THROUGH THE PERSPECTIVE CENTRE OF THE CAMERA LENS PIERCES THE PLANE OF THE PHOTOGRAPH KNOWN AS PHOTOGRAPH NADIR OR NADIR POINT. PRESUMABLY THIS BOB ENSURES VERTICAL ALIGNMENT. - Area Notes
-
Unknown
Details
- Markings
- 'PSC MTS-2o' INCISED ON UPPER SURFACE OF SUPPORTING BASE. 'NADIR BOB' STENCILLED IN BLACK ON BOX TOP
- Missing
- UNKNOWN
- Finish
- PREDOMINANTLY BLACK. FACE OF PLATEN IS FLAT WHITE. BOX EXTERIOR STAINED & VARNISHED; BLACK VELVET LINING.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Unknown Manufacturer, Bob, nadir, circa 1935–1960, Artifact no. 1996.0179, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1996.0179.001/
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