[time-nuts] NYTimes: New geoid soon

[jimlux]

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
> 
> --
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