28 Aug
2015
28 Aug
'15
1:42 p.m.
On 28/08/2015 20:36, Geoffrey Oltmans wrote:
Yes, in my case I did it in a mostly dark room with a
small UV light (that
I use for erasing EEPROMS), so it didn't get a full sun treatment, but it
did take the better part of a week. And, as you say, I had problems with
keys constantly wanting to float away. I figure next time I try it I may
get some silly putty to put in the underside to weigh them down or
something.
Well, here's an idea for some over-engineering: how about one of the
tumblers that rock collectors use for polishing small stones, or
handloader use for cleaning brass. Make a new cylinder from thin
perspex (it doesn't completely block UVA or UVB) or a large-diameter
glass tube and mount a small UV tube above it. That should ensure that
not only does every surface get covered, but also exposed to the UV.
Or put all the keytops in a small bucket, and put a small aquarium pump
(something like a Micro-Jet MC320) in the bottom. The flow should keep
everything circulating and tumbling.
--
Pete
Pete Turnbull