Vintage 4.5\" Round Aiguide Barometer For Sale

$Vintage 4.5\$

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Vintage 4.5\" Round Aiguide Barometer:
$18.60

Vintage 4.5\" Round Aiguide Barometer. It appears to work. I placed it next to a known working barometer for several days and it consistently showed accurate changes. Please note you need to adjust it when you receive it to compensate for your own elevation above sea level. Sold as-is, as found. Look closely at the photos and ask questions if you think of any.