4 Sep
2006
4 Sep
'06
2:37 p.m.
--- Tony Duell <ard at p850ug1.demon.co.uk> wrote:
> My father built himself a board which was simila
r
but more elaborate:
he could select among (1) a small (7.5W?) light
bulb, (2) a large
(100W?) light bulb, (3) a high-wattage heating
element that was still
under the breaker trip current for that mains
circuit (an iron, I
think), or (4) no limiter at all.
Another useful limiter (to repleace (3) in your
setup is a 1000W tungsten
halogen bulb (e.g. one of those 'security lamps'.
They're pretty cheap
now).
> snip <<
-tony
Tungsten bulbs cheap??!!!!
The ones we have to buy for equipment at
our lab cost like ?500 (GBP).
Regards,
Andrew B
aliensrcooluk at yahoo.co.uk