On Thursday, 8 September 2016 18:58:05 UTC+1, jim wrote:
Nightjar Wrote in message:
On 08-Sep-16 6:45 PM, ARW wrote:

I know that it is a 30mm by 4mm glass capusle with some electronics
inside it.

But other than that I have no idea.

http://wiki.diyfaq.org.uk/images/2/2f/Wtf1.jpg

It looks like a pet microchip to me.

30mm long?

Pet ID chip from 1965 maybe.
Presumably the coil is how it gets its power, beyond that who knows, much better picture needed.


NT