[Spridgets] Fractional Vernier Caliper

David Lieb 72spridget at gmail.com
Fri Nov 13 12:43:50 MST 2009


> I was thrilled when they let us use Slide Rules our last year of High
> School (circa 1953!) instead of log tables.
> I still have several different slide rules.
> I baffle my off-spring with how many problems can be solved with just
> two movements ---
> For example, calculating the mpg using 12.5 gals for 330 miles is
> 26.4 mpg --
> 9 key presses needed on a modern calculator.
> And just two movements of the slide rule -- batteries not needed
> ;^))

Of course, if you were x-USAF, you would have a Phillip Dalton E6B
navigational computer (circular slide rule) in the door pocket of your
Spridget.
David L


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