I think
Those are valves (precursor to the capacitor)
/pedant
(
MatJ LOOK,
Sat 27 Jun 2009, 1:30,
archived)
capacitor? Try transistor.....
/uber pedant
(
McFlu,
Sat 27 Jun 2009, 2:14,
archived)
uber? Try über....
/über pedant
(
pdaddyo,
Sat 27 Jun 2009, 10:52,
archived)
<über pedant>
Please encapsulate your tags correctly.
</über pedant>
(
ymmit,
Sat 27 Jun 2009, 21:21,
archived)