clicking relays...more questions...

[quk@isham-research.demon.co.uk (Phil Payne)]

In message <351FFA1B.DEB44882@poboxes.com> Gerard writes:

> I tried to place my finger on the relays to feel which one was giving
> off a slight vibration due to switching, but couldn't feel a thing.

Duh.  This is gonna sound dumb, right?

Back in the days of largely relay-operated data processing equipment,
the engineers would 'feel' a relay with a pencil.  Something about
seven or eight inches of dry wood - appears to magnify the clicks.

--
 Phil Payne