A post hole clam-shell digger, also called a post hole pincer or simply a post hole digger, is a tool used to dig holes in the ground, typically from a few inches to about a foot in diameter, for general purposes such as setting fence and sign posts or planting saplings.
Facts
Introduced When (Circa)A US patent for the clam-shell design was filed in 1908 by J. Lawry of Lenoir City, Tennessee; no earlier date is established by the cited source. 1 OriginClam-shell-type post hole diggers are described as a relatively recent invention compared to the earth auger; the earliest documented patent for the design was filed by J. Lawry of Lenoir City, Tennessee in 1908. 1 Sources
1. Post Hole Digger (Wikipedia)
Wikimedia FoundationHistory and patent info sectionQuote, History and patent info section
Clam-shell-type pole diggers seem to be a relatively recent invention, newer than earth augers. A patent was filed by J. Lawry of Lenoir City, Tennessee in 1908.
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