[tz] Potted history of timekeeping from the BBC

John Haxby john.haxby at oracle.com
Tue Apr 4 20:26:40 UTC 2017

> On 4 Apr 2017, at 16:05, Paul.Koning at dell.com wrote:
>> On Apr 4, 2017, at 7:43 AM, John Haxby <john.haxby at oracle.com <mailto:john.haxby at oracle.com>> wrote:
>> This is from a series of things that made the modern economy, it says on
>> the web page:
>> Tick tock: The importance of knowing the right time:
>> http://www.bbc.co.uk/news/business-39129620 <http://www.bbc.co.uk/news/business-39129620>
>> In one short page it manages to mention everything but DST :) and it
>> includes a picture of Harrison No 1.  ...
> Interesting they would show No. 1 rather than No. 4, which is the one that actually solved the longitude problem.

Possibly because it looks as though it means business.   It did solve the longitude problem, it just wasn’t small enough to be a practicable solution.   It’s in a glass case about a metre on a side and, if memory serves, still running.  No.4 is too valuable even to clean but doesn’t look anything special.   No.6 sold for several million[1] :)


[1] https://youtu.be/Er_gYljbmno?list=PLW4Z0lilD4aHrIi8FLNI2oTn_hPF6xWED

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