Cutting Speed and RPM on the Lathe and Mill
#23
(10-02-2013, 09:20 PM)arvidj Wrote: Wow, an HP calculator and RPN to calculate RPM.

That is the second time this month I've seen an old HP.



(10-02-2013, 10:25 PM)TomG Wrote: Best calculator ever devised. I bought it new in the mid 80's and pretty much use it daily.

Tom


Am I missing something here???
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RE: Cutting Speed and RPM on the Lathe and Mill - by Mayhem - 10-03-2013, 10:17 AM



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