Tested and working high quality stainless steel construction thermometer. Measures from -10 C to 110 C. About 5.25" in diameter and about 12" at longest point. Shows very little wear.
Here's some more info I found on the web for this thermometer:
5" Head Diameter - Bottom Connected 1/2" N.P.T.Specifications and Features
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Dial diameter 5"
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Standard stem lengths: 2½", 4", 6", 9", 12", 18", and 24". Additional stem lengths available by special order
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Stem diameter 1/4"
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Bottom connected stem
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Scale length 9.9"
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1/2" N.P.T. connection
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Breakage resistant glass windows
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All 304 stainless steel construction
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Removable bezel
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Stainless steel welds for maximum corrosion resistance
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Hermetically sealed against moisture
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Rated Accuracy: ± 1% of total scale range
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Custom stems longer than 36" are 3/8" diameter except for last 6" which is 1/4" diameter
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Liquid filling available
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Permanent metal scale plates
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Convenient side located adjustment for recalibration
Send your zip code for ship cost- should be between $5.95 and $8.95 if you are in the continental USA (Nov. 2012).