12 Jul
2007
12 Jul
'07
11:50 a.m.
As long as we're discussing antique technology,
why not a vibrator
and step-up transformer? Then one can recitfy the AC by means of an
Why notuse asynchonous vibrator (yes, I know, they malfunction all the
time ;-))
aluminum-borax rectifier. What the heck, a 9v
transistor radio
battery is too new, anyway. How about some crowfoot cells?
Well, if you stick to the zinc-carbon 9V batteries (about the only sort
you'll find at 3-for-a-pounds I think), then they're a direct descendant
of the Leclanche' cell. So they're not really too-new technology
-tony