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TP odometer
Set it and forget it! To know how many more sheet are left. | |
Package sez TP roll has "x" sheets. Set the odometer for that number and when you use all
but the final 100, a beeper alarm goes off to warn you to buy more.
My latest Brita water filter refill kit came with a counter that tells you when to replace the
used filter.
[link]
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I thought it was an odometer to measure how many miles of toilet paper you used in your life. |
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now that would be useful... "you don't know all the sh**
I've
been through ..." |
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An odometer might work for something like a car tire which maintains (relatively) its diameter. But as you pull TP off the roll, the ratio of TP in hand to number of rotations is decreasing. I would think it would have to be calibrated for a specific manufacturer and ply type in order to work. |
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You could solve that problem by running the paper across a second roll which just gets spun as a side effect of rolling, but doesn't change shape. (I think that's what they do when they measure feet of rope in the store, too.) |
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Not that I personally see any need for this product, but I do think it would be fun to have. |
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It should also keep track of "average sheets per sh;t", and have 3 memories (one for each person in the family). |
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