Calculator, air navigation
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1987.2630.001
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- OBJECT TYPE
- dead reckoning, Dalton
- DATE
- 1933
- ARTIFACT NUMBER
- 1987.2630.001
- MANUFACTURER
- Bastian Bros. Co.
- MODEL
- Mk.VII
- LOCATION
- United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- plastic; unidentified non-ferrous metal hub
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 27.5 cm
- Width
- 12.2 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Aviation
- Category
- Navigation instruments & equipment
- Sub-Category
- N/A
Manufacturer
- AKA
- Bastian
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- United States of America
- State/Province
- Unknown
- Period
- copyright 1934
- Canada
-
Unknown - Function
-
aircraft navigation: dead reckoning is a way of navigating when there are few or no visible landmarks. A pilot uses dead reckoning when flying over large bodies of water, forests, deserts, or heavy cloud layers. Besides an aeronautical chart, a pilot needs an accurate clock and compass and a small computer for figuring complicated mathematical problems. Working with the chart, the pilot plots (plans) a route in advance. The pilot also figures how long it should take to reach the destination while flying at a constant speed. With the help of the computer, the pilot adjusts the course to allow for the effect of the wind. - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- lettering on front of instrument near bottom reads: "DALTON/AIRCRAFT NAVIGATIONAL/COMPUTER, MARK vii/Bastian Brothers Co./U.S. Pat. 2,013,603/Copyright 1934/by Philip Dalton"
- Missing
- N/A
- Finish
- predom. cream & light gray with black lettering & numbered graduated markings
- Decoration
- none
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Bastian Bros. Co., Calculator, air navigation, after 1933, Artifact no. 1987.2630, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1987.2630.001/
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