What Is It? – February/March 2012

Jim McBride of Kingston writes,”I found this item in a box of tools that I purchased at an auction. When

What Is It? - February/March 2012

Jim McBride of Kingston writes,”I found this item in a box of tools that I purchased at an auction. When you turn the wooden handle it unlocks the L-shaped metal piece, which then changes the distance between it and the rest of the tool. I hope someone can tell me what it is used for.” Any ideas, readers?

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