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And the next shot is...

49261557588_c015dfce40_b.jpg

And the next shot is Lucky.
 
49261557588_c015dfce40_b.jpg

And the next shot is Lucky.
Nice shot! Is that a K&E log-log sliderule? I used to mystify my students by telling them I used to perform complex math calculations by sliding pieces of bamboo over each other. Uh oh! I just noticed spellcheck did not recognize "sliderule."
 
Nice shot! Is that a K&E log-log sliderule?
Yep. Nice catch. Back when people were tossing them out, I collected quite a batch of different slide rules. Still play with them from time to time. Once, I wowed a room of math teachers by showing them how fast one could do fractional exponents on the K&E. Some of them didn't know what a slide rule was.
 
So TNS is sports?
 

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