[R-390] TUBES

[Kenneth Crips]

I started with slip-sticks, and I was in college when the first HP
calculator came out, HP-45 I think, The impact this one instrument
had was unreal. I remember the mumbling, 9 significant digits, look at
that, Log's.....WOW! I seemed like almost over night all of the beautiful 
slide rules vanished. It's is interesting I still find the
skills developed reading between the lines on a slide rule useful.

                            Ken


Kenneth Crips
Amateur Radio Station W7ITC AMI-877
Ten-Tec Argosy 525, TS-520SE, Heathkit SB200,
R388/URR, R390A/URR, SBA-1, Gonset G64, HQ-129X,
SP600-JX17, Hallicrafter SX101A, BC-312N.


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