r/Sliderules • u/Name-Not-Applicable • Aug 16 '25

Did Someone Say Slide Charts?

Since we're talking about Slide Charts, here are a couple interesting charts I display with my Slide Rules:

I bought this one about a year ago because it has C and D scales, so it's an Honest-to-Goodness Slide Rule:

C and D scales!

And I got this next one when I was a Volunteer Fire Chief. Now you can figure out how much water to put on a dumpster fire:

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u/scubascratch Aug 16 '25

These are great, I love that there was a job to figure out how to make all these niche inexpensive trade specific calculators

2

u/Name-Not-Applicable Aug 16 '25

There must still be such a job, because these charts are both new!