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Ruler for making navigational computationsAn extensive ruler used as a computer in navigation to calculate travel time between map points or to calculate ground speed is described. The ruler has a time scale that can be adjusted at length to equal map distances travelled at a designated speed in a time period such as sixty minutes. A means for fixing the length of the ruler is also provided.
Document ID
19780009088
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Holmes, L., Jr. (NASA Pasadena Office)
Date Acquired
September 3, 2013
Publication Date
January 18, 1966
Subject Category
Aircraft Communications And Navigation
Report/Patent Number
Patent Application Number: US-PATENT-APPL-SN-160093
Patent Number: NASA-CASE-XNP-01458
Patent Number: US-PATENT-3,229,905
Accession Number
78N17031
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-XNP-01458|US-PATENT-3,229,905
Patent Application
US-PATENT-APPL-SN-160093

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