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To:
DUMBGRUNT
SR-71 was designed with a slide rule.
And by engineers who knew their times tables and maybe a little calculus.
54
posted on
05/09/2023 8:24:01 AM PDT
by
pfflier
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To:
pfflier; DUMBGRUNT
Not just slide rules, also the french curve.
58
posted on
05/09/2023 8:32:42 AM PDT
by
FtrPilot
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