Rule, plotting elevation
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2004.1373.015
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- OBJECT TYPE
- PHOTOGRAMMETRIC PLOTTER
- DATE
- 1968–1970
- ARTIFACT NUMBER
- 2004.1373.015
- MANUFACTURER
- Wild Heerbrugg
- MODEL
- 1:16 000 feet
- LOCATION
- Switzerland
More Information
General Information
- Serial #
- N/A
- Part Number
- 15
- Total Parts
- 16
- AKA
- glass scale
- Patents
- N/A
- General Description
- clear glass
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 22.5 cm
- Width
- 2.1 cm
- Height
- N/A
- 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
- Wild
- Country
- Switzerland
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- presumably c. late 1960s- early 1990s.
- Canada
-
Accessory for Wild A8 plotter With the exception of the Wild A10 [few of which were used in Canada], this machine was the most sophisticated plotter available before digital technology. - Function
-
To establish the plotting scale to be used when mapping. - Technical
-
Example of precisely ruled glass scale of type used with photogrammetric plotter. Scales are inserted in a holder directly attached to the z column and projected under strong magnification onto a ground glass screen in front of the operator. [Ref.3, p.17] The rule [glass scale] must correspond to the model scale [instrument scale] in order to enable the operator to read the elevations. Wild provided a set of 4 tables, one for each of the 4 different groups of rules [glass scales] available, to facilitate the selection of the appropriate rule and [ratio] gear for a given plotting scale. [Ref. 2, p.32] This scale would have been part of Group IV scale set: it is housed with assorted scales from various scale sets. - Area Notes
-
Unknown
Details
- Markings
- "1: 16 000/ feet" and scale etched into glass. "4. 73 " [?] printed by hand in black lead pencil on one long side; "1" printed by hand in black ink on end.
- Missing
- None: scale is complete in itself.
- Finish
- Clear glass rule bears black markings.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Wild Heerbrugg, Rule, plotting elevation, circa 1968–1970, Artifact no. 2004.1373, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2004.1373.015/
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