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To: Dr. Bogus Pachysandra

.
Pre-calculator was log tables, not slide rules.

Slide rules were only an estimating tool.

185 posted on 03/16/2018 2:48:37 PM PDT by editor-surveyor (Freepers: Not as smart as I'd hoped they'd be)

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To: editor-surveyor

Used both.

202 posted on 03/16/2018 3:02:01 PM PDT by Dr. Bogus Pachysandra (Don't touch that thing! Don't let anybody touch that thing!I'm a doctor and I won't touch that thing)

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