Calculator, air navigation
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2004.1707.002
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- OBJECT TYPE
- N/A
- DATE
- 1954
- ARTIFACT NUMBER
- 2004.1707.002
- MANUFACTURER
- Jeppesen
- MODEL
- CR-2
- LOCATION
- Denver, Colorado, United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 2
- Total Parts
- 3
- AKA
- N/A
- Patents
- N/A
- General Description
- predom. plastic; steel hub
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
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- 11.0 cm
- Volume
- N/A
Lexicon
- Group
- Aviation
- Category
- Navigation instruments & equipment
- Sub-Category
- N/A
Manufacturer
- AKA
- Jeppesen
- Country
- United States of America
- State/Province
- Colorado
- City
- Denver
Context
- Country
- Worldwide
- State/Province
- Unknown
- Period
- copyrighted 1955
- Canada
-
Unknown - Function
-
used for speed-time-distance calculations in aerial navigation - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- lettering on one face of instrument reads: "JEPPESEM MODEL CR-2 COMPUTER/DENVER, COLO./COPYRIGHT 1955, RAY LAHR, PAT. NOS./2,528,518-2,767,919 & 2,775,404"
- Missing
- N/A
- Finish
- predom. white & gray with black & green graduated marks numbers & lettering; brass & silver hub
- Decoration
- none
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Jeppesen, Calculator, air navigation, after 1954, Artifact no. 2004.1707, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2004.1707.002/
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