On 20/06/2019 19:45, Nightjar wrote:
On 20/06/2019 18:45, newshound wrote:
Prompted by another thread, I still have a traditional
electromechanical one with the spinning disk.

It has a sticker saying "Tested 8/88"

They should be recalibrated after 20 years.

A few have extended periods - a very few up to 40 years.

But as they tend to slow down (under-read) with age I'd not rush to
complain.



--
Robin
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