Yeah, the "tap-dance of relays adjusting circuits" still occurs these days, for example in spectrum analyzers doing auto alignments.? They sense when you're in the middle of a critical measurement and start flippping the relays right then!Jim Ford?Sent from my Verizon, Samsung Galaxy smartphone
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-------- Original message --------From: Brad Thompson <brad.thompsonaa1ip@...> Date: 11/30/20 11:37 AM (GMT-08:00) To:
[email protected] Subject: Re: [TekScopes] OT computing Harvey White wrote..."See if you can find the SF novel "Venus Equilateral" by George O. Smith.? Pay attention to the electronics and computing part if you would, which shows (amongst other things) mechanical tracking "computers" using precisely machined and lapped cams.? No digital involved, IIRC."Hello--IIRC, in a SF novel written by John W. Campbell, his protagonists are going somewhere ina space ship and hear "...The tap-dance of relays adjusting circuits...."Poetry, that.73--Brad? AA1IP
