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- Aug 28, 2010
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The circled numbers seem to be found on brands from American Axe & Tool Co. (which includes Underhill). Some examples posted to this forum have a circled 5, 10, 11, or 12.Underhill edge tool co. With a 5 in a circle.
In this earlier thread,
https://www.bladeforums.com/threads/american-axe-tool-company.1516680/
the circled numbers were thought to the designation for a specific A.A.&T.Co. plant, based on this information from YesteryearsTools:
"Some of the founding companies, which included those that joined the consortium within the first couple of years, actually had multiple manufacturing facilities. In some cases those facilities continued to be important operate and were often run by the original principals or owners. Many were designated as an A. A. & T. Co. plant with a specific number. References have been observed that included such plants with the highest number being No. 18. There may have been higher numbers but as time progressed some plants, along with their designating numbers, were discontinued and the equipment was relocated to Glassport. Many of what can be called the satellite factories were then abandoned or sold off."
http://www.yesteryearstools.com/Yesteryears Tools/American Axe & Tool Co..html