16 Jun
2011
16 Jun
'11
7:11 p.m.
Calculator or Slide Ruler ;-)
Simon Fryer wrote:
RS232 vs Current Loop.
Serial vs. Parallel.
Delay lines vs CRTs.
Valves vs Transistors.
Relays vs Valves.
Simon
--
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"Well, an engineer is not concerned with the truth; that is left to
philosophers and theologians: the prime concern of an engineer is
the utility of the final product."
Lectures on the Electrical Properties of Materials, L.Solymar, D.Walsh