1.46K viewsKovels Discussion Board
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1.46K viewsKovels Discussion Board
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I have seen “mystery numbers” on some vintage liquid thermometers. Frequently the number 12 or 13 sandwiched in between the actual temperature numbers.

I don’t know if the attachment uploaded, but if it did you can see the number 27 on the right side between the temperature numbers of 100 & 120.

Thanks for any input.

Beltrack [attachment]02ED025F-4F99-44B8-A05F-1E91224F08CA.png[/attachment]

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https://www.ebay.com/p/Fish-Tank-Aquarium-Thermometer-Temperature-f-Fahrenheit-Sticker-Stick-on/780137860?iid=182535841398

Could it be an aquarium thermometer ??

No, it is a standard outdoor -30 to +120 degrees thermometer.

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https://www.google.com/search?q=vintage+thermometer&source=lnms&tbm=isch&sa=X&ved=0ahUKEwi8w53TkeThAhVLSN8KHeeOCsMQ_AUIDygC&biw=1758&bih=842#imgrc=ar-h7uoqPwQffM:&spf=1555951135611

This link should take you to the photo in question.

Thanks again

John

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