Gear
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2004.1361.024
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- OBJECT TYPE
- PHOTOGRAMMETRIC PLOTTER
- DATE
- 1968–1970
- ARTIFACT NUMBER
- 2004.1361.024
- MANUFACTURER
- Wild Heerbrugg
- MODEL
- 2:1
- LOCATION
- Switzerland
More Information
General Information
- Serial #
- N/A
- Part Number
- 24
- Total Parts
- 65
- AKA
- ratio gear
- Patents
- N/A
- General Description
- grey metal
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
- 1.6 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
- Used c. 1970s- 1990s.
- Canada
-
Used at NRCan's Mapping Services Branch in Ottawa, with Wild A8 Autograph. - Function
-
Used for horizontal component of plotting. - Technical
-
One of pair of 2:1 ratio reversing gear sets. This pair is one of 7 sets of ratio gears supplied as standard with A8 plotter: sets include inverse transmission (reversing) ratios. Selection of gear (and appropriate glass scale) based on flying height and plotting scale factors: Wild published a set of 4 tables to facilitate this selection and avoid computation errors [manual pp.38-41]. The gears operate between the shafts of the plotter [.1] and drawing table [.7] Received inside standard cabinet [.11] supplied by Wild with each A8 Autograph plotter. - Area Notes
-
Unknown
Details
- Markings
- "1 :2 [underlined] " stamped in white on hub.
- Missing
- None.
- Finish
- Dull silver metal gear; teeth and hub edges are bright silver metal.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Wild Heerbrugg, Gear, circa 1968–1970, Artifact no. 2004.1361, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/2004.1361.024/
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