
The tire gauge nobody has managed to improve on
A small metal tube with a needle has outlasted every gadget built to replace it. Here's why it earned a spot in the Hall, and how to buy one that stays accurate.
Buying it, keeping it running, and the jobs worth doing on your own driveway.

A small metal tube with a needle has outlasted every gadget built to replace it. Here's why it earned a spot in the Hall, and how to buy one that stays accurate.
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