On Tuesday, 25 October 2016 17:16:00 UTC+1, Michael Chare wrote:
Would an elecrical oscillator such as the small ones shown in this
picture mind which way round they are installed?

http://tinyurl.com/jhfjnhd

--
I got a group of various images.

Oscillators normally have to be connected the correct way around.
http://uk.rs-online.com/web/p/crysta...ators/7675244/
as they are powered devices althoug some people can't tell an
oscillator from their arse hole .

Xtal or crystals don't.
http://uk.rs-online.com/web/p/crystal-units/5476294/


ceramic resonators can do to some extent as they have 3 legs
that can't be interchanged at will.
http://uk.rs-online.com/web/p/cerami...ators/7288465/