Holder, drawing point
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2004.1361.058
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- OBJECT TYPE
- PHOTOGRAMMETRIC PLOTTER
- DATE
- 1968–1970
- ARTIFACT NUMBER
- 2004.1361.058
- MANUFACTURER
- Wild Heerbrugg
- MODEL
- Unknown
- LOCATION
- Switzerland
More Information
General Information
- Serial #
- N/A
- Part Number
- 58
- Total Parts
- 65
- AKA
- drawing lead holder
- Patents
- N/A
- General Description
- predominantly silver metal; green lead
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- N/A
- Height
- 14.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- 3.7 cm
- 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 used c. 1970s- 1990s.
- Canada
-
Accessory for plotter used in Canada's national mapping program c. 1960s-early 1990s, and is an example of the last analogue plotting devices used by the Topographic Service of Canada. 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. This machine was converted c. 1995-96 to digitize the motions (X,Y & Z) with the addition of encoders and a control pad which interfaced to a computer. The Kern encoders and control module were installed by Terra Surveys of Ottawa when they rented this machine for the MOM project, completing the large scale mapping of Riyadh, Saudi Arabia. The A8 was on loan to Terra for the duration of the project's digital compilation stage. [Ref. 1] - Function
-
To correctly support and position drawing leads, scribers, etc. for use on plotting table. - Technical
-
One of 4 drawing point holders supplied as standard accessory for Wild A8 Autograph. The holder with lead (or scribing point, etc.) is fitted to drawing arm of plotting table: when in use, the area around the drawing point is illuminated. [Ref. 3, pp.20-1.] This holder is fitted with a green drawing lead. - Area Notes
-
Unknown
Details
- Markings
- None evident.
- Missing
- Appears complete.
- Finish
- Bright and brushed silver metal holder and point; grip portion of central shaft is cross-hatched; dark green drawing lead.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Wild Heerbrugg, Holder, drawing point, circa 1968–1970, Artifact no. 2004.1361, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2004.1361.058/
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