Speed and feed slide rule

I found this useful … and free!

https://www.niagaracutter.com/speed-feed-slide

Note: I guess this was posted earlier in G+

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Thanks for sharing! I wasn’t previously aware of it and slide rules are magic. I’m hoping they’ll accept “hobbyist” as a company and send me one. :slight_smile:

Here’s the “earlier in G+” with a live picture:

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Not a slide rule, but here is a spreadsheet I made back in 2016 that helped me developing my cutting recipes:

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Arrived today. Really nice.

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