[time-nuts] Re: Long Duration elapsed time display

[Joseph Gwinn]

Re: time-nuts Digest, Vol 256, Issue 15
On Fri, 29 Aug 2025 03:30:20 -0400, time-nuts-request at lists.febo.com 
wrote:
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>    1. Long Duration elapsed time display (Martin A Flynn)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Thu, 28 Aug 2025 11:43:43 -0400
> From: Martin A Flynn <martin.flynn at compdecon.org>
> Subject: [time-nuts] Long Duration elapsed time display
> To: time-nuts at lists.febo.com
> Message-ID: <c094363c-2074-46c9-a0a8-73b0bfabbf4c at compdecon.org>
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> Have a project underway that includes a long duration elapsed time 
> display.  Would need to count to T+ 999 hours, 59 Minutes, 59 seconds.
> 
> Ideas on how to accomplish this?  LED preferred, can be also use an LCD 
> computer monitor as well.
> 
> Cheers!
> 
> Martin
> 

Does it need to be electronic?  Electrically Actuated Counters are 
common and quite cheap, and may be purely mechanical or a 
combination.  This appears to be suitable:

.<https://www.mcmaster.com/1806t21/>

Joe