On 5/23/20 11:52 AM, Steve Allen wrote:
On Fri 2020-05-22T23:16:49-0700 Hal Murray hath writ:
It is a fiendishly difficult
math and physics task that, once completed, will have taken a decade and a
half to accomplish.
So fiendishly difficult that the first time the task was completed was
not until 1899
And how long did Mr. Schott and the team work on it?
What about the Clarke 1866 spheroid?
A book about the Indian subcontinent measuring: "The Great Arc" by John
Keay is also good. These days, in the US, making similar measurements
we don't have to worry too much about being eaten by tigers.
The Transcontinental Triangulation and the American Arc of the Parallel
Assistant CHAS. A. SCHOTT, Chief of the Computing Division, USC&GS
ftp://ftp.library.noaa.gov/docs.lib/htdocs/rescue/cgs_specpubs/QB275U35no41900.pdf
--
Steve Allen <s...@ucolick.org> WGS-84 (GPS)
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Santa Cruz, CA 95064 https://www.ucolick.org/~sla/ Hgt +250 m
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