Great lines on this vintage 1970's advertising thermometer from the Mapco Mid America Pipeline Co of Tulsa, Oklahoma. It comes to a point at the bottom, and about 1/3 of the way up is a dotted line, and, "Insert to Dotted Line". It looks as though this was meant to test ground temperature, although it does accurately report air temperature. It is new old stock, and has never been inserted to the dotted line! It is 13 inches tall, by 3 inches across the top. The tube is glass.
I currently have several pieces of vintage advertising in my shop, including other thermometers, and am happy to combine shipping. To see them all, type the word, "advertising", or, "thermometer", in the California Girls search box at the top of this page
If you are ordering more than 1 item from my shop, wait to pay until I send back an invoice with the combined shipping discount.
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